1- What is the percent composition of a solution in which 480 grams of sodium chloride, NaCl, is dissolved in 4 liters of solution.

Q: 650.0−g sample of river water taken near an industrial plant contains 27 mg of chromium. What is the…

A: Weight of sample or solution = 650.0 gm Weight of chromium = 27 mg = 0.027 gm (1 gm = 1000 mg)

Q: What is the molarity of an 125 mL solution that contains 1.8 g of dissolved NaCl (molar mass = 58…

A: Calculation of molarity :  Sodium chloride (NaCl) is commonly known as table salt. The molar mass of…

Q: What is the percent concentration (m/m) of a KBr solution prepared by combining 15.0 g of KBr with…

A: Given: Mass of KBr = 15.0 g [solute] Mass of H2O = 150.0 g [solvent] Mass of KBr + H2O = 165.0…

Q: What is the volume (in ml) of concentrated 4 M HCl acid solution needed to prepare 106ml of a 0.100…

A: we know ,   V1S1=V2S2Where V1 = Initial volumeV2= Final volumeS1= Initial concentrationS2 =Final…

Q: Consider a 1.0 mol/L HCN(aq) solution. What properties would this solution have? It would turn…

A: We have given that 1 mol/L HCN acid

Q: sodium acetate solution (NaC2H3O2) contains 11.5 grams in every 639 mL. What is the concentration of…

A: Molarity is defined as total number of moles of solute present in 1000 ml of solution Molarity =…

Q: how much water in liters has to be added to 6 L of a 4.13 M sodium phosphate solution if at the…

A: The given problem can be solved by using the formula given below as;…

Q: In your own words, explain why water is known as the "universal solvent." Answer in complete…

A: Water is known as the universal solvent because it has the ability to dissolve a wide range of…

Q: What is the mass percent NaCl when 30.3 grams of sodium chloride are dissolved in 127.2 grams of…

A: The objective of this question is to calculate the mass percent of sodium chloride (NaCl) in a…

Q: 3.21 g of potassium chloride dissolved in 30.2 g of water Percent by mass = % KCI 3.21 g of…

A:

Q: if you add 250ml of water to 250ml of a 2.8M NaOH solution, what will the molarity of the diluted…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person…

A: 1. Molarity=Moles of solute/Volume of solution (in litres)

Q: 2. A solution is prepared by dissolving 10.44 g of NaCl in enough water to make 500.0 mL of…

A: 1 parts per million (ppm) is equivalent to 1 mg/L. Expressing the given concentration in mg/L: 500…

Q: How many ml of 15% hydrochloric (HCl) acid solution must be mixed with a 5% hydrochloric (HCl) acid…

A: The question is based on the concept of solutions. we have to calculate volumes of the solution…

Q: he boiling point of water is 100.0°C at 1 atmosphere. How many grams of sodium chloride (58.44…

A: Boiling point of solution is greater than boiling point of solvent.   This is known as elevation in…

Q: Expand the units of molarity for this solution: 0.09 M NaOH When the units are expanded, enter the…

A: The concentration of a solution (M) can be expressed as follows: Molarity (M)  =  Number of moles of…

Q: An aqueous solution is1.983% by mass of sodium sulfite pentahydrate, Na2SO3∙5H2O. What is the…

A: Molarity is defined as the number of moles present in 1 liter of solution. It is given as: Molarity…

Q: In the laboratory you are asked to make a 0.150 m cobalt(II) chloride solution using 15.9 grams of…

A: Given that:              Molality of Cobalt (II) chloride solution = 0.150 m…

Q: What is the percent composition of a solution in which 80 grams of sodium hydroxide, NaOH, is…

A:

Q: The term for a solution that is a good conductor of electricity is "aqueous solution." True False

A: To solve this problem we have to know about aqueous solution.

Q: I. Fill in the table of the needed information. Note: There may be more than one solute/solvent…

A: A solute is the constituent(s) of a solution that is present in a smaller amount and the solvent is…

Q: What volume of a 0.998 M NaOH solution contains 12.4 g of NaOH (MM =40.0 g/mol)

A: 1- First we need to determine to calculate the moles of NaOH :  moles of NaOH = ( mass / molar mass)…

Q: How can you tell the difference between a saturated solution and an unsaturated solution .

A: The term solution is the liquid state of matter in which solute is present in less amount as…

Q: Solution of barium chlorate by measuring out 17.1 g of barium chlorate into a 50 volumetric flask…

A: Mass of barium chlorate=17.1 g  Molar mass of barium chlorate = 304.23 g/mol Moles = Mass ÷  Molar…

Q: Expand the units of molarity for this solution: 5 M HNO3 When the units are expanded, enter the…

A: Given, molarity of the solution = 5 M HNO3 We need to write each term appearing in numerator and…

Q: You are asked to make 575 mL of a 1/10 dilution of 5M NaCl.  a) How much water do you need?  b)…

A:

Q: how the volume of Clorox solution used is converted into grams and mmol. Clorox solution is 3mL

A: Volume of clorox solution = 3 mlMass = volume × densityMole = mass/molar mass

Q: Q-1- How many gram are present in ( FOUR ) of these solutions. 1- 100 ml. sodium carbonate solution…

A: There are different concentration terms used to express the concentration of solutions. Some of them…

Q: How many grams of copper (II) iodide, CuI2, are contained in 368 mL of a 0.276 M solution?

A: Given values -> Volume = 368ml = 368 ×10^(-3) ( 1 litere = 1000ml)…

Q: Defining molarity (99):Molarity = moles of solute/liters of solution or M = mol solute/L soln

A: Molarity has to be defined.

Q: want to dilute my lab’s stock solution of 11M NaOH. I pour 18.0ml of the stock solution into a…

A: Given : M1 = 11 M V1 = 18 ml M2 = 2.2 M

Q: Standard vinegar solutions are about 5% acetic acid by mass. What is the molarity of a 5% vinegar…

A: Vinegar is aqueous solution which contains small amount of acetic acid. Generally vinegar is used as…

Q: The mass of carbon dioxide present in 250 mL of the solution is

A:

Q: 5: An 8.0% NaCl solution has a density of 1.05 g/mol. What is the molar concentration (M) of the…

A: Density, mass and volume are related as Density(d) = mass/volume. Volume = mass/density. Given, 8%…

Q: What mass of NaOH is in 2.0e+02 mL of a 5.6 M NaOH solution?

A: Given data molarity of NaOH solution = 5.6 M = 5.6 mole/L volume of solution = 2.0x102  mL = 200 mL…

Q: In separate containers, a scientist has an excess of 30% and 80% butanol solution. How many…

A: Mass percentage is defined as the quantity of solute present in 100 grams of solution.

Q: What is the w/w% if 402.1 g is dissolved in 1.00 L of water to give a density 1.18 g/mL

A: Density is given by the ratio of mass of the substance to that of the volume. Density = MassVolume

Q: A solution of iodine has an iodine titer of 12.46 mg. What is the normality of the iodine solution?…

A:

Q: a 3.48 M aqueous solution of NaCl is needed. In order to make 1500 ml of this solution, the mass of…

A: Molarity is defined as the number of moles per liter of the solution.

Q: 3. Calculate the number of gram of NaOH that must be added to 250mL of water to make a 15% NaOH…

A:

Q: What is the mass percent NaCl when 30.3 grams of sodium chloride are dissolved in 127.2 grams of…

A: The objective of this question is to calculate the mass percent of sodium chloride (NaCl) in a…

Q: The diagram below shows the different parts of a solution. Match each letter to the term it…

A: Answer: Solution is a homogeneous mixture of two or more compounds. The compound which is in small…

Q: Some graduate students have a solution of 1 M NaCl in the lab. What volume of the Nacl solution and…

A: N1= 1M N2= 0.035 M  V2= 1L V1=??

Q: 0.254 moles of NaCl are dissolved in 300 mL of water. What is the concentration in molar?

A: