Answered: What is the mass, in grams, of…

What is the mass, in grams, of 7.80×1020 molecules of caffeine, C8H10 N4O2? xpress your answer using three significant figures. m = - ΑΣΦ ? 6.0 g

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: (Q51) Which of the following are electrolytes (substances that produce ions when dissolved in…

A: Electrolyte is as substance that produces ion when dissolved in water and then conduct electricity.

Q: Suppose you measure out 0.0132 moles of ammonium sulfate on the balance. If the weigh boat…

Q: In the room, the police also found a suspicious amount of CO2 in the air, which is produced when…

A: Combustion reactions of methanol is 2CH4O+3H2O→2CO2+4H2O 2 mole of methanol is producing 2 moles of…

Q: Caffeine, a stimulant of the central nervous system, has the molecular formula C8H₁0N4O2. The molar…

A: Mass of 1 mole = molar mass 1 mole AB contain 1 mole A and 1 mole B

Q: An aqueous solution known as Ringer's lactate is administered intravenously to trauma victims…

Q: A surgeon removed a deposit of cholesterol, C27H46O, from a patient's artery. Determine the number…

A: Given Amount of removed = 3.90 mg = 3.90 * 10-3 g No of Molecules of cholesterol removed = to be…

Q: Calculate the number of O atoms in 0.0136 g of CaSO4 2H₂O. x 10 O atoms (Enter your answer in…

A: Answer: Given data: Mass of CaSO4.2H2O m=0.0136g

Q: What is the mass, in grams, of 9.71×1024 molecules of methanol (CH3OH)?

A: Introduction : We need to calculate mass in grams for CH3OH . First convert molecules into moles .

Q: Aspirin can be prepared from salicylic acid ( C7H6O3), which has a molar mass of 138.12 g/mol, and…

Q: Butane has the chemical formula C4H10 and is a component of natural gas. When butane burns, it…

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: How many grams of NaH2PO4 are needed to react with 79.12 ml of 0.834 M NaOH? Be sure your answer has…

Q: What mass of HCl in grams is neturalized by a dose of milk of magnesia containing 3.26g Mg(OH)2?

A: Given :- mass of Mg(OH)2 = 3.26 g To calculate :- mass of HCl (in g)

Q: A 6.7283 g sample of a hydrate of MgSO4 was heated to drive off all of the water of hydration. The…

A: The first step is to calculate the mass of water that was lost when the hydrate was heated. This can…

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: Ascorbic acid (C₆H₈O₆) is also known as Vitamin C. How many molecules of C₆H₈O₆ does a Vitamin C…

Q: Cephalexin is a semisynthetic cephalosporin antibacterial drug intended for oral administration.…

Q: How many moles of ethanoic acid (CH3COOH) are formed when 1425.56 g of ethanoyl chloride (CH3COCI ,…

A: Given chemical reaction is CH3COCl(l) + H2O(g) ----> CH3CO2H(g) + HCl(g) Mass of ethanoyl…

Q: Consider the following reaction: 6HCI + 2AI→ 2AICI3 + 3H2 Calculate the mass (in grams) of AICI3…

Q: Calculate the theoretical yield of the following experiment. 3.42g of salicylic acid (C7H6O3) was…

A: Amount of product produced from the limiting reagent according to stoichiometric ratio is known as…

Q: How many C atoms are present in 8.94 · 1020 CH3C(O)H molecules? Express your answer in scientific…

A: Scientific notation is way to express the numbers that are too big or small to be written…

Q: For unknown compound B, which has the molecular formula C8H5Br3O2, calculate the theoretical amount…

A: The mass of silver bromide can be calculated by taking the molar mass of the given compound and…

Q: The chemical formula for hydrogen bromide is HBr. A chemist determined by measurements that 0.030…

A: Given data -: Number of moles of HBr -: 0.030 moles Molecular weight of HBr -: 1+80 = 81 g/mol…

Q: How many grams of O2 are needed to form 7.35moles of Fe203? 4 Fe + 302 → 2 Fe203 Round your answer…

A: Such problems are solved by using the mole concept. The mole concept relates the number of moles…

Q: Aspirin can be prepared from salicylic acid ( C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

Q: How

A: moles of water = ( molecules of water ) / ( Avogadro number ) Where : Molecules of water is 2.0 •…

Q: Tartazine, C16H9N409Na352, is a synthetic yellow food dye that provides a lemon color to various…

A: The objective of the question is to find out the mass of tartrazine in grams that corresponds to 7 x…

Q: How many equivalents of O²⁻ are there in 2 moles of Al₂O₃?

A: Al2O3 is aluminium oxide.

Q: How many oxygen atoms are on the right-hand side of the following chemical equation? Express your…

Q: Calculate the following to the proper significant figures: The molecular mass of iron(II)…

A: Molar mass can be found out by simple adding the atomic masses of each species. moles can be…

Q: A chemist adds 240.0 mL of a 1.1 mol/L sodium thiosulfate (Na2S2O3) solution to a reaction flask.…

Q: What is the formula (solve for x) for the original hydrated sample of copper (II) sulphate? You…

Q: How many moles of NaOC1 would be present in 1 gallon of commercial bleach (density = 1.05 g/ml),…

A: Answer:Mass of the solution is the product of volume and density, so,Here:

Q: The molecular formula of allicin, the compound responsible for the characteristic smell of garlic,…

A: Since , Molar mass of carbon atom = 12.0107 g Molar mass of hydrogen atom = 1.00784 g Molar mass of…

Question

What is the mass, in grams, of 7.80×1020 molecules of caffeine, C8H10 N4O2?
xpress your answer using three significant figures.
m =
- ΑΣΦ
?
6.0
g

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

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Given the following equation: 8 Fe + Sg → 8 Fes How many moles of iron is needed to react with 16.0 moles of sulfur? Show all of your work and round to the correct number of significant figures.
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?
What is the total number of carbon atoms on the right-hand side of this chemical equation? CH,CO,C,H,(l)+H,O()−CH,CO,H(0)+C,H,OH()
How many chloride atoms are in 32.3 g of CaCl2? write the answer in this format 1.00x10^1 unit Cl What is the mass percent carbon in benzoic acid, C6H5COOH?
The chemical formula for chlorophyll is C₅₅H₇₂MgN₄O₅. a) What is the molar mass of the compound? Provide an answer to two decimal places. b) What is the percent by mass of carbon in the compound? c) What is the mass in grams of chlorophyll that are in 2.185 moles of the compound? d)What quantity in moles of chlorophyll are there in 2.185 grams of the compound?
What is the volume (in mL) of isopropanol that contains 7.23 × 1022 molecules of isopropanol? The density of isopropanol is 0.786 g/mL and its molar mass is 60.10 g/mol.
Determine how much oxygen in grams is formed by the complete reaction of 31.25 g of Na₂O2. Express your answer using four significant figures. 1ΠΙ ΑΣΦ m = Submit Previous Answers Request Answer ? g
Calculate the number of CO2CO2 molecules in 6.20×10−2 mole of CO2CO2. Express your answer using three significant figures.
2. A mixture of Na2SO4 and its hydrate Na2SO4-10H₂O has a mass of 1.5099 g. After heating to drive off all the water, the mass is only 1.1410 g. What is the weight percentage of Na2SO4.10H₂O in the original mixture? Report your answer to 4 significant figures. Molar masses: Na2SO4 142.04 g/mol; Na2SO4.10H₂O 322.19 g/mol.
Aa.103.
Benzene, C6H6, is an important solvent and intermediate chemical in many chemical reactions. It is also toxic and classified as a carcinogen. If the density of benzene is 0.8766 grams per ml, how many moles of benzene would be 755 ml of benzene?
If 7.700000000000000 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, how many liters of CO₂ is produced? (The density of CO₂ is 1.98 kg/m³ and 1 L = 1 dm³).