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Vedmedyk [2.9K]
3 years ago
12

What is the concentration of ammonia in a solution if 23.4 mL of a 0.117 M solution of HCl are needed to titrate a 100.0 mL samp

le of the solution?
Chemistry
1 answer:
Georgia [21]3 years ago
8 0

Answer: 0.0274 M

Explanation:-

The balanced chemical solution is:

NH_4OH(aq)+HCl(aq)\rightarrow NH_4Cl(aq)+H_2O(l)

According to the neutralization law,

n_1M_1V_1=n_2M_2V_2

where,

M_1 = molarity of HCl solution = 0.117 M

V_1 = volume of HCl solution = 23.4 ml

M_2 = molarity of NH_4OH solution = ?

V_2 = volume of NH_4OH solution = 100.0 ml

n_1 = valency of HCl = 1

n_2 = valency of NH_4OH = 1

1\times 0.117M\times 23.4=1\times M_2\times 100.0

M_2=0.0274

Therefore, the concentration of ammonia in a solution will be 0.0274 M

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