JOE B.

asked • 12/01/19

How many grams of calcium hydroxide are needed to neutralize 25 ml of 0.100 m hno3?

Please help very urgent

1 Expert Answer

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Nina Z. answered • 12/01/19

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It is a neutralization reaction: Ca(OH)2 + 2HNO3 -----> Ca(NO3)2 + 2 H2O

M = mol / V moleHNO3 = 0.1 mol /L x 0.025 L = 0.00255 mol

mol Ca(OH)2 = 0.00255 mol /2 = 0.001275 mol

gram of Ca(OH)2 = 0.001275 mol x 74.08 g / 1 mol = 0.094 g




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