bexx152 bexx152

17-08-2015
Chemistry

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If it requires 38.5 milliliters of 0.85 molar nitric acid to neutralize 20.0 milliliters of barium hydroxide, solve for the molarity of barium hydroxide. Show all of the work used to solve this problem.

Unbalanced equation: Ba(OH)2 + HNO3 yields Ba(NO3)2 + H2O

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lulu1991 lulu1991

17-08-2015

First you need to balance the equation. Ba(OH)2+2HNO3=Ba(NO3)2+H2O. Then you can get the ratio of mole number of the reactants. The ratio is Ba(OH)2:HNO3=1:2. So the molarity of Ba(OH)2 is 38.5*0.85/2/20=0.82 molar.

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