14. How many grams of solid calcium hydroxide (molar mass = 74.1 g/mol) are needed to react with 20.3 mL of a 1.16 M hydrochloric acid solution? Give your answer to three significant figures. Ca(OH)2 + 2HClCaCl2 + 2 H2O grams 15. When aqueous solutions of hydrochloric acid and barium hydroxide are mixed, the following reaction occurs: 2HCl + Ba(OH)2BaCl2 + 2 H2O If 30.1 mL of a 8.88×10-2 M Ba(OH)2 solution are required to react with 25.7 mL of HCl , what is the molarity of the HCl solution? Give your answer to three significant figures.

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14. How many grams of solid calcium hydroxide (molar mass = 74.1 g/mol) are needed to react with 20.3 mL of a 1.16 M hydrochloric acid solution?
Give your answer to three significant figures.
Ca(OH)2 + 2HClCaCl2 + 2 H2O

grams

15. When aqueous solutions of hydrochloric acid and barium hydroxide are mixed, the following reaction occurs:
2HCl + Ba(OH)2BaCl2 + 2 H2O
If 30.1 mL of a 8.88×10-2 M Ba(OH)2 solution are required to react with 25.7 mL of HCl , what is the molarity of the HCl solution?
Give your answer to three significant figures.

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