A solution is made by mixing 1.5 g of NaOH (mw=40) in enough water to make...
A solution is made by mixing 1.5 g of NaOH (mw=40) in enough water to make a solution with a final volume of 1330 mL What is the pH of the solution?
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A solution is made by mixing 1.5 g of NaOH (mw=40) in
enough water to make...
A 0.372-g sample of NaOH(s) is added to enough water to make 250.0 mL of solution....
A 0.372-g sample of NaOH(s) is added to enough water to make 250.0 mL of solution. The pH of this solution is:
a.) What is the molarity of a solution of NaOH made from weighing 15.26 g of...
a.) What is the molarity of a solution of NaOH made from weighing 15.26 g of NaOH and dissolving it in enough water to make a total volume of 125.0 mL? [Select] b.) Would the solution in part a.) above have a pH value exactly equal to, less than or greater than a pH of 7. Select]
A solution is made by dissolving 12.1 g of HCl in enough water to make 642...
A solution is made by dissolving 12.1 g of HCl in enough water to make 642 mL of solution. Calculate the pH of the solution at 25°C.
A solution is made by dissolving 20.1 g of HCl in enough water to make 544...
A solution is made by dissolving 20.1 g of HCl in enough water to make 544 mL of solution. Calculate the pH of the solution at 25°C.
Determine the molarity of a solution made by mixing 89 grams of KBr with enough water...
Determine the molarity of a solution made by mixing 89 grams of
KBr with enough water to make 350 mL of solution.
A 1.5 M solution is made by dissolving KBr in enough water to make 100 mL...
A 1.5 M solution is made by dissolving KBr in enough water to make 100 mL of solution. How many grams of KBr are in this solution?
A solution is made by mixing .5 g of sodium acetate with water to make 50...
A solution is made by mixing .5 g of sodium acetate with water to make 50 mL of solution. What is the concentration, in moles per liter, of the sodium acetate solution?
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water...
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water to make 150 mL of a stock solution. She then took 22.5 mL of the stock solution and diluted it with enough water to make 250. mL of a working solution. (5 pts. each) A. What is the molar concentration of NaOH in the stock solution? # of moles x 1000 Naot mass= 15,09 g molanty volume of source (m) Mol 40 g/mol voline...
9. A solution is prepared by adding 15.8 g of HCl to enough water to make...
9. A solution is prepared by adding 15.8 g of HCl to enough water to make a total volume of 400. mL. What is the pH of the solution? How much hydrogen is contributed by autoionization of water?
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water...
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water to make 150. mL of a stock solution. She then took 22.5 mL of the stock solution and diluted it with enough water to make 250. mL of a working solution. A. What is the molar concentration of NaOH in the stock solution? B. What is the molar concentration of NaOH in the working solution? C. How much of the working solution will she...
a.) What is the molarity of a solution of NaOH made from weighing 15.26 g of NaOH and dissolving it in enough water to make a total volume of 125.0 mL? [Select] b.) Would the solution in part a.) above have a pH value exactly equal to, less than or greater than a pH of 7. Select]
Determine the molarity of a solution made by mixing 89 grams of
KBr with enough water to make 350 mL of solution.
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water to make 150 mL of a stock solution. She then took 22.5 mL of the stock solution and diluted it with enough water to make 250. mL of a working solution. (5 pts. each) A. What is the molar concentration of NaOH in the stock solution? # of moles x 1000 Naot mass= 15,09 g molanty volume of source (m) Mol 40 g/mol voline...
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