Calculate the grams of Ca(OH)2  needed to prepare 165 mL of a 12% (m/v) Ca(OH)2 solution?

Q: What mass of salt (NaCl) should you add to 1.62 L of water in an ice cream maker to make a solution…

A: Given: The volume and density of water is 1.62 L and 1.00 g/mL, respectively. The freezing point of…

Q: a)How many milligrams of mercury(I) chloride (Hg2Cl2) must be present in a 288 mL sample of water to…

A: Given: volume of solvent (water)=288 mL ppm (m/v) of Hg2Cl2 = 4.40 ppm To find: mass of solute…

Q: The amount of potassium chloride in 150 mL of 8.5% w/v potasisum chloride solution is _____ g.

A: 8.5% w/v means 8.5 g potassium chloride in 100 mL solution.

Q: Calculate the mass percent (m/m) of a solution containing 15.5 g of Na2SO4 and 75.5 g of H2

A: We have given that  Calculate the mass percent (m/m) of a solution containing 15.5 g of Na2SO4 and…

Q: How to prepare 1 mM to 5 mM AgNO3 solution in 50 mL water?

A:

Q: A 10.5%(w/w) NiCl2 solution has a density of 1.149 g/mL. What is the mass in grams of Ni2+ contained…

A: Given : 10.5%(w/w) means 10.5 grams of NiCl2 (solute) present in 100 grams of solution. Mass of 1 L…

Q: What are the NaCl mass percent, ppm and ppb levels in a solution that is prepared by dissolving 0.30…

A: Here we have to determine mass percentage, ppm and ppb of 0.3mg NaCl dissolved in 1L water.

Q: What would be the freezing point of a 1.50 m solution of NaNO3 in water? (Kf  = 1.86°C/m).

A:

Q: If 14.2 g of Al(NO 3) 3 is dissolved in 655g of water, what is the boiling point of the solution…

A:

Q: Calculate the mass percent (m/m) of 25.0 g KCl dissolved in 125 g of water?

A: Mathematically,Mass percentage of an substance is equal to the ratio of mass of given substance to…

Q: The number of grams of  CaCl2 in 70.0 mL of 2.60% (w/v) CaCl2 solution

A:

Q: 5. How many grams of CaCL2 (MM = 110 g/mol) should be dissolved in H20 to prepare a liter of 1.2M…

A: Molarity means moles of solute dissolved in a litre of solution.

Q: What is the mass percent (m/m) of NaCl solution made by dissolving 3.0 g of NaCl in 60.0 g of H2O?

A:

Q: 0.2356 g sample containing only NaCI (58.44 g/mol) and BaCl (208.23) g/mol) yielded 0.4637 g of…

A: The first question involves determining the percent composition of a sample that contains two…

Q: If a sample of tap water contains 400. ppm of Ca2+ and 80.0 ppm of Mg2+, what is the hardness of…

A: Given Data  Concentration of Ca2+ = 400ppm = 400 mg/L  Concentration of Ca2+ in mol/L =…

Q: Just question 9 please I need a complete solution :(

A: Moles of the solution is calculated as, number of moles =mass molar massnumber of moles =3.42…

Q: Is it true that you need to take 30.4 mL of concentrated HCl (23 °Be, density=1.1885 g/mL,…

A: Given density = 1.1885 g/mL molar mass of HCl = 36.5 g/mol we know, molarity = density molar…

Q: You need to prepare a solution of glycerol ( CH2OH-CHOH-CH2OH) in 100.0 g of water, so the…

A:

Q: How many grams of Na2CO3 are needed to prepare 11.6 mL of a 1.27%(m/v) Na2CO3 solution?

A:

Q: Calculate the volume of 0.5 M NaCl solution required to prepare a 500.0ml, 3 ppm solution of Na+

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Q: Calculate the mass of KCl needed to prepare 200.0 g of 5.00% (m/m) KCl solution.

A: Here, we have to calculate the mass of KCl needed to prepare 200.0 g of 5.00%(m/m) KCl solution.

Q: Determine the amount of solute needed to make 125 mL of saturated solution of sodium nitrate at 10…

A: The volume of the solution is = 125 mL The temperature of the solution is = 10oC The mass of the…

Q: How much NaCI (s) do you need to prepare 435 mL of a 2.5 % (m/v) NaCI solution?

A:

Q: The concentration of bromide ions in seawater is approximately 6.70 X 10-3 %(m/v). The lab has a…

A: The concentration of bromide ions in seawater = 6.70 × 10-3 %(m/v). This means that 6.73 × 10-3 g of…

Q: How many grams of NaCl should be added to 225 g of water to prepare a 7.52%(m/m) NaCl solution?

A: Given: The concentration of the NaCl solution in terms of mass %=7.52%. The mass of water taken to…

Q: How would you make the solution 280 mL of a 27% v/v solution of ethanol (C2H5OH) in H2O

A: Answer:-  We know that  V/V % = Volume of Solute×100 / Volume of solution  Given volume of solution…

Q: How many mL of H20 must be added to 25.0 of NAcl (solute) to prepare a 15% (v/v) NAcl solution?

A: Since the units of NaCl solute is not given. Hence I'm assuming it to be 25 mL of NaCl solute.

Q: What is the percent by mass of 50 grams of NaCl dissolved in 50 grams of water ? O1% 2 % 100 % 50%

A:

Q: 1. I) How many kilograms of chlorine gas should be dissolved in 10 mL of water to result in a…

A: Answer:ppm concentration means parts per million and ppb concentration parts per billion.…

Q: Suppose that an experiment required that 250 ml of a 35 ppm aqueous dipotassium phosphate (K2HPO4)…

A:

Q: 4 a)The mole fraction of iron(III) nitrate, Fe(NO3)3, in an aqueous solution is 6.42×10-2 . The…

A: The composition of a mixture can be expressed in different units like mole fraction, mass percent,…

Q: What is the %v/v concentration of a solution made by adding 13 mL of acetone to 89.37 mL of water?

A: Welcome to bartleby!  Introduction :  We have to calculate v/v %

Q: How many grams of sodium chloride are contained in 300 ml of an 8% w/v solution?

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Q: Calculate the final concentration of each of the following. A 53.5 mL sample of an 8.8 % (m/v) KBr…

A: The final concentration of the 8.8 % (m/v) KBr solution is to be calculated.

Q: there are 275g of rubbing alcohol in 500.0g of solution. answer questions 2a and 2b using this info.…

A: 2) Given, Mass of rubbing alcohol = 275 g Mass of the solution = 500.0 g a)  % (m/m) of rubbing…

Q: Calculate how much of a concentrated acetic acid solution (w 36%, p 1.0449 g %3D / ml) is required…

A: The solution is as follows :

Q: How many liters of a 34 % (m/v) KOH solution would you need to obtain 58.5 g of KOH?

A: