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liubo4ka [24]
2 years ago
11

An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 M solution of calcium hydroxide. If 26.5 mL of

base are required to neutralize 20.3 mL of the acid, what is the molarity of the hydroiodic acid solution? M hydroiodic acid
Chemistry
1 answer:
storchak [24]2 years ago
8 0

<u>Answer:</u> The molarity of hydroiodic acid in the titration is 0.485 M.

<u>Explanation:</u>

To calculate the molarity of acid, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is HI

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base which is Ca(OH)_2

We are given:

n_1=1\\M_1=?M\\V_1=20.3mL\\n_2=2\\M_2=0.186M\\V_2=26.5mL

Putting values in above equation, we get:

1\times M_1\times 20.3=2\times 0.186\times 26.5\\\\M_1=0.485M

Hence, the molarity of hydroiodic acid is 0.485M.

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