CuSO4— 5H2O  NiCl2— 6H2O    MgSO4— 7H2O        What is the average percent of water in the unknown?

Q: How many grams of a 21.8% sugar solution contain 57.0 g of sugar? g solution:

A: Given: The mass of sugar is 57.0 g The percentage of sugar solution is 21.8 %

Q: Grams of solute/100g H₂O 120 110 100 90 80 70 60 50 40 30 20 10 0 0 Na2SO47 NaNO3 HCI NH3 10 20 30…

A: The above question is based on solubility curve . The solubility curve represent the number of gram…

Q: What does salinity mean? O A. A measurement of the amount of floating particles in fresh water. O B.…

A: Salinity : it is also known as saltiness. It is defined as amount of salt dissolved in a water body…

Q: The number of moles of CaCl2 in 5 litres of 5 M solution is *

A: Molarity: It is the parameter that is used to express the molar concentration of a solution. It can…

Q: How many grams of KNO3 would be needed to prepare a 275 g of a 6.3% KNO3 solution?

A: Given: Mass of solution = 275 g w/w% = 6.3% Weight percentage is expressed as follows, w/w% = mass…

Q: How many grams of a 5.75% by mass LiCl solution contain 1.60g of LiCl?

A: Mass/Mass % solution: Mass percentage of the solute present in the solution is given as,…

Q: What volume (in L) of a 0.200 M K2SO4 solution contains 85.6 g of K2SO4? MAKE SURE YOUR ANSWER IS…

A: Questions 13)  Molecular weight of K2SO4  is 174.259g/mol  Given that 85.6 g so we have to convert…

Q: What percent of water is in the compound Magnese (ii) chloride tetrahydrate?

A: The formula of Magnese (ii) chloride tetrahydrate is MnCl2 x 4H2O Hence molar mass of Magnese (ii)…

Q: What is the molarity of a solution containing 18 mol of sodium in 678 L of water?

A: Moles of sodium=18moles Volume of water=678L

Q: What will be the number of moles of water in 1 L volume of water?

A: In this question, we have to find out the correct answer of given problem by the help of Mole…

Q: What is the mole percent of ethanol (C2H5OH), which consists of 71g of ethanol for every 18.3g of…

A: Mole percent is moles of species divided by the total moles present in solution.mole percent =…

Q: A solution contains 45.0 grams of ammonia, NH3, dissolved in 368 grams of water. What is the mass…

A: Given, Mass of ammonia (solute) = 45.0 g Mass of water (solvent) = 368 g   The mass of ammonia…

Q: How does evaporation occu Why does ice float? What is a solution?

A: ANSWER

Q: 1. How much water should be added to a 15 gallon solution of 35% hydrogen peroxide to create an 8%…

A: Initial volume and initial concentration of H2O2 is given, for which final volume and volume of…

Q: Determine the percent water in CuSO4∙5H2O to three significant figures.

A:

Q: Determine the number of moles in water (H2O)  Given 591ml of refresing water.

A:

Q: How many grams of potassium nitrate, KNO3 are required to prepare 0.150 L of a 0.700 M solution?

A: The amount of potassium nitrate required to prepare .150L of a .700M solution is given below

Q: How many milliliters of a 4.60 M NaBr solution contain 64.8 g of NaBr

A: Given data is Concentration or molarity of NaBr = 4.60 M Mass of NaBr = 64.8 g Molar mass of NaBr =…

Q: A beaker contains 3.2 M osmium (III) fluoride in 0.673 liters of solution How many moles in the…

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: What percentage of water is in Na2S2O5•2h20?

A: The formula given is Na2S2O5•2H2O Hence the molar mass of compound = 2 X Atomic mass of Na + 2 X…

Q: What mass of 30% Ca(NO3)2 Solutions contain 60g of water?

A: Given data,  Mass percent of Ca(NO3)2 = 30 %  Mass of water = 60 g

Q: What is the percent of water in Na2SO4 10H₂O?

A: Solution  The %H2O in Na2SO4.10H2O is 55.9%

Q: A solution is formed by adding 29.8 g of ammonium nitrate (NH4NO3) to 288 g of water. What is the…

A: Given mass of ammonium nitrate (solute) = 29.8g mass of water (solvent) = 288 g

Q: A 300 mM solution of CaCl2 would be what percent? _________%

A: 300 mM CaCl2 solution means 0.3 moles of CaCl2 dissolved 1 L ( 1000 g) of water.Mass of CaCl2…

Q: How many milliliters of a 1.50 M NaBr solution contain 75.0g of NaBr?

A: Molarity: The concentration for solutions is expressed in terms of molarity as follows,

Q: How is a supersaturated solution typically made?

A: Super saturated solution is defined as a solution that contains solute more than the amount present…

Q: How much water must be added to 36.0 g of SrCl2 to produce a solution that is 35.0 wt% SrCl2?

A:

Q: How many moles of NaCl are pr D00. ml, a 1.5 M NaCl solution?

A: Molarity of NaCl(M) = 1.5 M Volume of solution(V) = 6000 mL     = 6000/1000 = 6.0 L Molarity =…

Q: Aqueous solution of acetone has 1.37% by mass of acetone. If the density is 0.965 g/mL, what is the…

A: Given that the solution is  1.37%  by mass of acetone⇒ 1.37 g  acetone is present in 100 g  of…

Q: mass of 98 g of sulfuric acid, H2SO4, is dissolved in water to prepare a 0.500 M solution. What is…

A: The volume of solution is calculated as below

Q: How many liter of a 10% Lysol solution are needed to prepare 100 mL of a 3% Lysol solution?

A:

Q: Calculate the volume in milliliters of a 1.25/molL sodium carbonate solution that contains…

A: The number of moles for a given chemical species refers to the ratio of mass to the molar mass. The…

Q: Determine the amount of sodium chloride required to prepare 500 ml of a 3M sodium chloride solution.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What volume of beer that is 6.0 % by volume alcohol contains 200. ml CH3CH2OH (ethyl alcohol)?

A: Given that the volume percent of alcohol is 6 percent and the total volume of ethyl alcohol is 200 m…

Q: How many grams of NaOH will be used to prduce 350 grams of water?

A: Given equation is                                         2 NaOH      +       H2S…

Q: Convert 0.255 M HCN solution to its normality counterpart.

A:

Q: How many grams of CaCl2 would you need to make 750 mL of a 2.00 mM CaCl2 solution?

A: Amount  of CaCl2  required to make 750 mL of a 2.00 mM CaCl2 solution is given below

Q: Concentrated sulfuric acid is 18.0 M and has a density of 1.84 g/mL. Calculate the percent mass of…

A:

Q: How many grams of C6H1206 is needed to make 150 mL of 0.250 M solution?

A: Given :-  Molarity of glucose solution = 0.250 M  Volume of solution = 150 mL  To calculate :-…

Q: Saline solution, a 0.92% (m/v) Sodium Chloride solution, is often administered intravenously to…

A: Given :-  %m/v = 0.92 %  Volume of solution = 345 mL  To calculate :-  Mass of sodium chloride (in…

Q: How many grams of 38.7% C6 H12O6 solution by mass are necessary to contain 9.500 g of C6 H12O6 ?

A: Let the mass of the solution be x g. Percentage by mass =mass of solutemass of solvent×100

Q: What are isotonic solutions?

A: Tonicity is potential of extracellular solution that drives the movement of water into or out of the…

Q: How many moles of HBr are present in 0.669 L of a 1.08 M solution?

A: Molarity is the ratio of number of moles of solute to the volume of solution in liters.  number of…

Q: How many quarts of water must be added to 7 qt of an 80% antifreeze solution to make a 70%…

A: Interpretation- To determine how many quarts of water must be added to 7 qt of an 80% antifreeze…

Q: How many grams of a 29.1% sugar solution contain 48.0 g of sugar? g solution:

A: Given,  Sugar solution contains 29.1% sugar  (by mass) It means 100g sugar solution contains 29.1g…

Q: What volume of a .445 mol/L solution would be needed to make 456mls of a solution with a…

A: Given, Concentration of stock solution , M1= 0.445molL Volume of stock solution , V1=? Volume of…

Q: Calculate the volume in milliliters of a 0.529/molL barium acetate solution that contains 100.mmol…

A:

Q: What mass of salt (NaCl) in grams (g) is required to prepare 1.083 L of D51/4NS solution?

A: Given: Volume of solution = 1.083 L = 1083 mL                                      (Since 1 L = 1000…