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11Alexandr11 [23.1K]
3 years ago
15

Calculate the number of moles of NaOH contained in 250. mL of a 0.05M solution.

Chemistry
1 answer:
steposvetlana [31]3 years ago
3 0

Answer:

0.0125mol

Explanation:

Molarity (M) = number of moles (n) ÷ volume (V)

n = Molarity × Volume

According to this question, a 0.05M solution contains 250 mL of NaOH. The volume in litres is as follows:

1000mL = 1L

250mL = 250/1000

= 0.250L

n = 0.05 × 0.250

n = 0.0125

The number of moles of NaOH is 0.0125mol.

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