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A 10.0mL sample of calcium hydroxide solution required 26.85mL of 0.225M hydrochloric acid for neutralization. Calculate the...

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Chemistry

A 10.0mL sample of calcium hydroxide solution required 26.85mLof 0.225M hydrochloric acid for neutralization.
Calculate the molar concentration of the base.
2HCl(aq) + Ca(OH)2(aq) -> CaCl2(aq) + 2H2O(I)

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3.8 Ratings (755 Votes)

2HCl(aq) + Ca(OH)2(aq) -> CaCl2(aq) + 2H2O(I)

Acid Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Base

M₁ Â Â = 0.225 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â M₂ =

V_1Â Â =Â Â 26.85ml Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â V₂Â Â =10ml

n₁Â Â =Â Â 2 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â n₁ Â Â Â =1

M1V1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â M2V2

Â Â n_{1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â} Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â n₁

0.225*26.85/2 =Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â M2*10/1

M2 = 0.302M

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