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NeX [460]
4 years ago
7

Determine how many moles of Ba(OH)2 are required to completely neutralize 0.432 mole of HC2H3O2.

Chemistry
2 answers:
borishaifa [10]4 years ago
5 0
The balanced chemical reaction is:

HC2H3O2<span> (aq) +Ba(OH)2 (aq) --> H2O (l) +Ba(C2H3O2)2
</span>
We are given the amount of HC2H3O2 to be used in the reaction. We use this amount as the starting point of our calculations. 

0.432 mol HC2H3O2 (  1 mol Ba(OH)2 / 1 mol HC2H3O2 ) = 0.432 mol Ba(OH)2 needed

Hope this answers the question.
notsponge [240]4 years ago
4 0

Answer: <em>We need </em><em>0.216 moles of Ba(OH)2</em><em> to completely neutralize 0.432 moles of HC2H3O2.</em>

Explanation:

  • First we build the equation that represents the reaction between the  Ba(OH)2 and the  HC2H3O2.

2 CH3COOH + Ba(OH)2 = Ba(Ch3COO)2 + 2 H2O

  • Second, we use the amount of moles giving (0.432 moles HC2H3O2)  in order to calculate the moles of Ba(OH)2 produced, using the coefficients in the equation.

0.432moles CH3COOH x [1 mol Ba(OH)2/ 2 moles CH3COOH]  = 0.216 moles Ba(OH)2

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