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Calculate 1. the molarity of solution prepared by dissolving 14.7 g of Ca(NO)2 in enough a...
Calculate the molarity (M) of a solution prepared by dissolving 15.1 g of HBr in enough water to make 2.75 L of solution.
Calculate the molarity of a solution prepared by dissolving 12.5 g of Na2CrO4 in enough water to produce a solution with a volume of 630. mL .
2. Calculate the molarity of a solution prepared by dissolving 2.500 g of Na2CO3 in water to make 500 mL of solution. (2 pts.)
A solution is made by dissolving 14 g of silver nitrate, AgNO3, in enough water to make exactly 250 mL of solution. Calculate the concentration (molarity) of AgNO3 in mol/L (M)
10. Calculate the molarity of a solution made by dissolving 5 moles of NaOH in water to the total volume of 3L. 12. What volume of 3M NaOH is needed to make 250 mL of 0.5M NaOH solution? 14. How many grams of NaCl are neede to make 3.5 moles of AgCl? NaCl(aq) + AgNO3(aq)→ NaNO3(aq) + AgCl (s) 15. Calculate percent yield of the reaction, that produces 14 g of AgCl when 40g of NaCl reacts with 40 g...
Find the concentration (molarity) of an aqueous solution prepared by dissolving 10g of NaOH(s) in 100mL of water. Find the concentration (molarity) of a NaOH solution that contains 5g of NaOH and 1000 mL of water. What is the new concentration when we add 1L more of water to the prepared solution in question (2).? If you have 10 ml of a 5M solution of NaOH, how many mol of NaOH you have? How many mol of Na+ you have?...
What is the molarity of a solution made by dissolving 1.0 g of KOH in enough water to make 750 mL of solution?
What is the molarity of a solution prepared by dissolving 15.0 g NaCl in enough water to make 1.50 L 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...
Determine the molarity of a solution made by dissolving 30.3 g of barium phosphate in enough water to make 250.0 mL of solution.