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VARVARA [1.3K]
2 years ago
11

It is necessary to make 225 mL of 0.222 M solution of nitric acid. Looking on the shelf, you see only 16 M nitric acid. How much

concentrated nitric acid is required to make the desired solution?
Chemistry
1 answer:
nalin [4]2 years ago
6 0

Explanation:

The required concentration of HNO_3 M1 =0.222 M.

The required volume of HNO_3 is V1 =225 mL.

The standard solution of HNO_3 is M2 =16 M.

The volume of standard solution required can be calculated as shown below:

Since the number of moles of solute does not change on dilution.

The number of moles n=molarity *  volume

M_1.V_1=M_2.V_2

V2=\frac{M_1.V_1}{M_2} \\=0.222M x 225 mL / 16 M\\=3.12 mL

Hence, 3.12 mL of 16 m nitric acid is required to prepare 0.222 M and 225 mL of nitric acid.

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