If yiu have 400 ml of a 2.0% NaCl solution , how many grams of NaCl are in the solution

Q: A Pb contaminated water sample contains 0.0013 % Pb by mass. How much of the water (in mL) contains…

A: The mass percent refer the mass of solution in 100gm of solution  Use this is a conversion factor to…

Q: A solution is made up of 20.0 mL of ethyl alcohol and 50.0 mL of water. What is the volume percent…

A: Volume percent or percentage by volume v/v is one of the concentration terms that indicates the…

Q: In the laboratory you are asked to make a 0.450 m barium iodide solution using 15.8 grams of barium…

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Q: The density of the concentrated HBr solution of 48% by mass is 1.50 g / ml.  a) How many grams of…

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Q: How much 2.0 M NaCl solution would you need to make 250 ml of 0.15 M NaCl solution?

A: To relate the volume and molarity of a solution at two different concentrations, the expression used…

Q: how much water needs to be added to a 300 ml of 3.0 M solution to obtain a final solution with 2.0…

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Q: A 6.9 M KOH solution in water has 30% by weight of KOH. What is density of KOH in g/mL

A: Given: Molarity of KOH solution = 6.9 M Weight % of KOH = 30% Molar mass of KOH = 56 g/mol

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: A biologist wants to make 345mL of 0.03M HCL by diluting a 6M HCL stock solution. How many mL of the…

A: Initial concentration= 6.0 M Final concentration= 0.03 M Final volume= 345 mL Molarity equation,…

Q: If a 1.0L of red grape wine is 13.0% alcohol by volume, how many mL of the solution is ethanol?

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Q: How many grams of MgCl2 are there in 191 grams of an aqueous solution that is 6.70 % by weight…

A: Given: Weight % of solution = 6.70 % mass of aqueous solution = 191 g

Q: In the laboratory you are asked to make a 0.350 m barium iodide solution using 15.9 grams of barium…

A: m is symbol for molality. molality = moles of solute / weight of solvent (kg) Moles of solute =…

Q: household bleach contains 6% sodium hypochlorite. How much household bleach should be combined with…

A: Answer: In this question we have to find out volume of household bleach needs to be mixed in weaker…

Q: What is the mass percent of 1.39 M NaCl solution? The density of this solution is 1.05 g/ml

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Q: What volume of a 0.255 M KCl solution contains 0.15 mol of KCl?

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Q: lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample…

A: The density of any substance or liquid is calculated by the formula: d=mV Where, m is the mass of…

Q: How many moles of NaCl are in 1.20 liter of a 2.5 M NaCl solution?

A: The answer to the following question is-

Q: What is the molarity of the solution? 80 g NaCl in 2.0L

A: The molarity of the solution is = 0.68 M

Q: What is the percent by mass of a solution of 25 g of KBr dissolved in 4.3 L of solution if the…

A: Mass by percent is equal to the ratio of mass of solute to the total mass of solution multiplied by…

Q: How many mL of a 5.02% copper(I) bromide solution contains 2.66 g copper(I) bromide?  The density of…

A: Mass percent :- The mass of solute present in 100 grams of solution is known as its mass percent .…

Q: I need help with the set up of finding the mass of a 25% NaOH solution. (0.25 g NaOH per 1 mL…

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Q: A solution prepared by mixing 35 g of NaCl and 100. g of water has a mass percent concentration of…

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Q: What is the mass of NaCl dissolved in 2.5 L of a 1.26M solution of NaCl?

A: Volume of NaCl solution = 2.5 L Molarity of NaCl solution = 1.26 M  ...Or  because  M = mol/L…

Q: Stock solution of HF is 49 % HF by mass and has a density of 1.17 g/mL.  What is the concentration…

A: The mass percent concentration of HF solution is = 49 % The density of the solution is = 1.17 g/mL…

Q: How many mLmL of a 0.155 M KClM KCl solution contain 2.55 g KClg KCl?

A: Molarity of  solution is and amount of  in gram is . Convert mass in gram of  in moles of  using…

Q: What is the volume, in L, of a .500M NaCl solution that contains 17.5g of NaCl

A: Molarity of NaCl = 0.500 M  ....Or  because M can be represented as mol/L   ...so,  = 0.500 mol/L…

Q: What is the mass/mass percent concentration of a solution containing 80 g sugar and 250 g solution?

A: Given : We have to calculate the mass/mass percentage .

Q: How many grams of NaCl are there in a 50.0 g of 0.90 % sodium chloride solution?

A: 50.0 g of 0.90 % sodium chloride solution

Q: A biologist wants to make 382mL of 0.04M HCl by diluting a 5M HCl stock solution. How many mL of the…

A: Given that : Molarity of HCl = 0.04 M Volume of HCl = 382 mL = 0.382L Number of moles of HCl =…

Q: How many mL of a 0.200 M KOH solution contains 10.0 g of KOH?

A: Molarity is the expression to find out the concentration. It is simply defined as a number of moles…

Q: What is the volume/volume percent concentration of a solution prepared from 75 mL of acetone in 250…

A: Whenever the solute volume as well as the solution volume are provided, the volume percent has been…

Q: How many mL of 0.190 M HCl solution are needed to provide 1.50 mole of HCl?   7.89 mL 127 mL…

A: We are given HCl solution whose molarity=0.190M Moles Of HCl=1.50 mol