A 4-M sample of hydrochloric acid, HCl, has a density of 1.42 g/ml. What is the mass % (wt/wt) of the sample? Use the following atomic masses: H = 1, Cl = 35.45. Express your answer in percentage and in two decimal places

A 4-M sample of hydrochloric acid, HCl, has a density of 1.42 g/ml. What is the mass % (wt/wt) of the sample? Use the following atomic masses: H = 1, Cl = 35.45. Express your answer in percentage and in two decimal places

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Enter your answer in the provided box. One of the reactions that occurs in a blast furnace, in which…

Q: Normal saline is an isotonic (to humans) solution which is used in medicine for volume…

A: Given: Concentration of NaCl in saline = 0.9 g/dL. And volume of saline solution = 1 L Since 1 L =…

Q: Consider the following reaction. CH4 (g) + 2 O2 (g) --> CO2 (g) + 2 H2O (g) In this reaction…

A: Answer: 6.4 gram of CH4 is left over once all the O2 is used up

Q: A 25.0 mL aqueous solution of 1.32 M K₂SO4 is necessary for a particular reaction. How many grams of…

A: Molarity of substance is the number of moles present in one litre of solution.

Q: 2. A mixture of Na2SO4 and its hydrate Na,SO4-10H2O has a mass of 1.5099 g. After heating to drive…

A: Mass percent :- The mass of a component present in 100 grams of a mixture is known as mass…

Q: Part A - Calculate the mass (in grams) of the product formed when 15.30 g g of Cr completely reacts.…

Q: A mixture of NaCl(s) and BaCl2(s) weighing 2.86 grams is dissolved in water. When AgNO3(s) is added…

Q: 3 Cu + 8HNO3 --> 3 Cu(NO3)2 + 2 NO + 4 H₂O In the above equation how many moles of water can be made…

Q: Balance the following chemical reaction. Enter the sum of the balanced coefficients as your answer.…

A: Balancing chemical equations makes sure each element in reactants and product sides are in an equal…

Q: Part A Elemental phosphorus reacts with chlorine gas according to the equation Once the reaction has…

Q: he Law of Conservation states that matter cannot be created nor destroyed during a reaction. How…

A: Hi, the first question is incomplete as the experiment is not given. Hence we are solving the second…

Q: An experiment using the reaction below produces 23.26 grams of chlorine gas (Cl2). What mass of HF…

A: Given that : Mass of chlorine gas produced = 23.26 g The molar mass of chlorine gas is 70.91 g/mol.…

Q: Images attached show lead solid in aqueous hydrochloric acid. After looking at the images cite…

A: Physical change: In a physical change only the state of matter changes. In this change different…

Q: A student weighs an empty beaker at 85.301 g. A sample of Na2SO4·??H2O is added to the beaker, and…

A: Mass of empty beaker = 85.301 g Mass of beaker + hydrated salt = 86.607 g Mass of beaker +…

Q: A student prepares aspirin using 15.096 grams of salicylic acid (MW = 138 g/mol) and 5.91 mL of…

Q: Each 100 ml of an antacid contains 3.7 g of aluminum hydroxide (Al (OH) 3), 11.66 g of magnesium…

A: To determine moles of any substance present we use following formula moles = massmolar mass

Q: a student finds that they have 0.2929 g of NH4Cl, 0.6234 g of NaCl, and 1.3841 g of SiO2. Calculate…

A: Given Mass of NH4Cl =0.2929 g Mass of NaCl =0.6234 g Mass of SiO2 = 1.3841g Initial mass of mixture…

Q: Which formula shows the correct way to calculate the molar mass of the compound - Magnesium…

A: Molar mass of a compound is the mass of 1 mol of compound . Molar mass of a compound can be…

Q: A chemical supplier has requested from your laboratory a sample of AgCl(s) to be shipped out as soon…

Q: An experiment using the reaction below produces 44.78 grams of chlorine gas (Cl2). What mass of HF…

A: 1- First determine the moles of Cl2 gas : moles of Cl2 = [ mass / molar mass ] moles of Cl2 = […

Q: If 3.68 x 1021 formula units of sodium bromide are reacted with excess chlorine gas, how many…

Q: A sunscreen preparation contains 2.50% by mass benzyl salicylate (2.50g benzyl salicylate/100g…

A: Given : weight of benzyl salicylate = 2.50 g in 100 g sunscreen And one tube contains 4 ounces of…

Q: You have 9.99 × 10^25 molecules of water. Find the volume of this in milliliters. Water has a molar…

Q: A sample contains one or more of the ions: aluminum, calcium, copper(II), iron(III); upon addition…

A: Upon adding NH3 and centrifuging, since brown precipitate is formed, thus the given compound must…

Q: 5. To react with 6.00 g of carbon (MM = 12.01 g.mol-1), what minimum mass of silicon dioxide (MM =…

A: To know the mass of Silicon dioxide needed to react with 6g of Carbon, we need to find out the moles…

Q: How many grams of titanium(IV) hydroxide, Ti(OH)4, will contain 3.4 x 1025 hydroxide ions? Work…

A: The compound given is titanium (IV) hydroxide.The formula of the compound is Ti(OH)4.The number of…

Q: An unknown mass of NasPO4(s) is dissolved in water to form 50.00 mL of solution. This is Solution A.…

A: Let the mass of Na3PO4 dissolved = X gm Molar mass of Na3PO4 = 163.94 gm Number of moles of Na3PO4 =…

Q: 3 Cu + 8HNO3 → 3 Cu(NO3)2 + 2 NO + 4 H₂O In the above equation, how many grams of water can be made…

Q: Calculate the percentage composition by mass of each of the elements in sulfuric acid (H2SO4).…

A: The molecular formula of sulfuric acid is H2SO4. The percent composition of each of the elements in…

Q: Enter your answer in the provided box. One of the reactions that occurs in a blast furnace, in which…

Q: Calculate the number of moles of chlorine present in 120 g g of chlorine gas.

Q: What is the mass in milligrams of the solute in 25.0 ml of 0.275 M NaOH? (atomic weights: H=1.01;…

A: Number of moles = mass/molar mass So, mass = moles × molar mass Molarity = moles of solute/volume…

Q: The density of octane, C8H18C8⁢H18, is 0.703 g/mL0.703 g/mL. Calculate the number of moles of octane…

A: Given Data : 1.density of octane = 0.703 g/mL 2. Volume = 49.1 mL Molar mass of octane = 114.23…

Q: pure sample of an organic molecule has the formula CxHyOz. If x = 12, y = 21, and z = 2. Calculate…

A: Every element is present in the compound in a fixed ratio. This ratio defines the mass percentage of…

Q: What volume of 5.0M NaCl is needed to provide10.0 grams NaCl? Atomic weights: Na = 22.99 Cl =…

A: Molarity (M) : Number of moles of solute present in 1 litre solution is called molarity (M)…

Q: Use the Conservation of Mass Interactive to answer the question. Consider the reaction. MnS(s) + 2…

A: Here, given reaction is , MnS(s) + 2 HCl(aq) -----> MnCl2(aq) + H2S(aq) • We can say by the…

Q: 3 Cu + 8HNO3 --> 3 Cu(NO3)2 + 2 NO + 4 H₂O In the above equation how many grams of water can be made…

Q: Enter your ansTwer in the provided box. One of the reactions that occurs in a blast furnace, in…

A: Given data : Mass of Fe = 1.49 × 103 kg = 1.49 × 106 g Mass of Fe2O3 = 2.38 × 103 kg

Q: When 145 g of MnCl₂ × nH₂O is heated, 92 g of the anhydrous compound is obtained. Find the number n…

A: Here n is number of moles of H2O, given that the mass of water = 92g

Q: Precipitating gravimetry is a technique to determine the amount of an analyte based on mass of the…

A: Precipitating gravimetry is a technique to determine the amount of an analyte based on mass of the…

Q: The balanced equation below shows the reaction which occurs between silver nitrate and sodium…

Q: 4. a) A given inorganic compound contains only silicon (Si) and hydrogen (H). If the mass percentage…

A: An inorganic compound contain only silicon (Si) and hydrogen (H),a) given, mass percentage of Si =…

Q: How many sodium ions are present in 20.0 mL of 0.10 M Na,S? A. 0.002 В. О.004 С. 1.20 х 1021 D. 2.41…

A: Given Volume = 20 mL = 20 × 10-3 Liter ( 1 mL = 10-3 Liter )…

Q: many grams of silver nitrate must react to give 1.00 g of Ag? Cu(s)+2A9NO3(aq)→Cu(NO3),(aq)+2Ag(s)…

Q: A student prepares aspirin using 2.409 grams of salicylic acid (MW = 138 g/mol) and 5.71 mL of…

Q: B. TRUE OR FALSE: Read each statement carefully. Write TRUE if the statement is correct and FALSE if…

A: Percentage composition gives a brief ideas about each elemental composition as follows.

Q: A student finds that they have 0.2545 g of NH4Cl, 1.1502 g of NaCl, and 1.0181 g of SiO2. Calculate…

A: Given mass of NH4Cl = 0.2545g mass of NaCl = 1.1502 g mass of SiO2 = 1.0181 g Initial mass if…

Question

Video Video

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

A 5.000 g sample that contained NaCl and BaCL2 X 2H2O was heated. After heating the sample had a weight of 4.688 g. What is the percent NaCl in the sample?
Part A A sample of 7.92 g of Mg(OH)2 is added to 24.2 mL of 0.225 MΗΝΟ, Part B Part C • Part D • Part E How many moles of Mg(NO3)2 are present after the reaction is complete? Express your answer in moles to three significant figures.
What is the formula (solve for x) for the original hydrated sample of copper (II) sulphate? You weigh a sample of CuSO4 · XH2O. After you heat the sample, you find that the mass of the anhydrous salt is 1.47g. What is the value of x? CONTEXT Mass of just anhydrous compound = mass of anhydrous compound rod mass of beaker and 108.34g - 106.87g = 1.47g %3D %3D = original compound mass - anhydrous compound mass = 3.00g - 1.47g = 1.53g Mass of just water
True or False? One mole of molecular O2 = 6.02 x 1023 O2 molecules. Mass of O2 in 100g of CO2 = (32.0g ÷0g) x 100 = 72.7 O2
Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and acetic anhydride (C4H6O3), which has a molar mass of 102.04 g/mol. The density of acetic anhydride is 1.082 g/mL. C7H6O3+C4H6O3⟶C9H8O4+C2H4O2 What is the yield, in grams, of aspirin (C9H8O4), which has a molar mass of 180.15 g/mol, possible when reacting 2.18 g of salicylic acid with 1.05 mL of acetic anhydride?
3cucl, (aq) + 2Fe(s) 2Fecl,(aq) • + 3Cu(s) If you had a solution of copper(II) chloride that contained 33.1 g of CuCl, and then added 11.15 g of iron, how much solid copper would you get (assume 10% yield)?
Given that 1 capsule is 600 mg and a bottle has 30 capsules, kindly answer the amount (g) in excess and number of dosage form and packaging that can be produced from stoichiometric calculation.
An experiment using the reaction below produces 36.51 grams of chlorine gas (Cl2). What mass of HF is produced by this experiment? Round your answer to the nearest 0.01 and remember to include units and substance! HCl + F2 -- > HF + Cl2
2. a) If 24.8 grams of an aqueous solution of iron(III) nitrate, Fe(NO3)3, contains 7.33 grams of iron(III) nitrate, what is the percentage by mass of iron(III) nitrate in the solution?_______% Fe(NO3)3 b) An aqueous solution of nickel(II) nitrate, Ni(NO3)2, contains 7.02 grams of nickel(II) nitrate and 17.3 grams of water.The percentage by mass of nickel(II) nitrate in the solution is________ %. c)How many grams of Mg(NO3)2 are there in 205 grams of an aqueous solution that is 13.6 % by weight Mg(NO3)2. __________g Mg(NO3)2
You are given a 15.0 g mixture. You find out that the mixture contains 3.55 g salt, 4.78 g sand and the rest is Iron. According to these data, what is the percent of iron in the mixture? O 55.5% O 6.67% O 44.5% 15,0%
3 Cu + 8HNO3 → 3 Cu(NO3)2 + 2 NO + 4 H₂O In the above equation, how many grams of water can be made when 7.9 moles of HNO3 are consumed? Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0 Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.: Molar Element Mass Hydrogen 1 Nitrogen 14 Copper 63.5 Oxygen 16
You have 3.52 × 10^25 molecules of water. Find the volume of this in milliliters. Water has a molar mass of 18.01528 grams per mole and a density of 1 gram per milliliter. Avogadro's number is always 6.022 × 10^23 molecules per mole. Round to two decimal places.