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givi [52]
3 years ago
15

If I have 340 mL of a 0.5 M NaBr solution, what will the concentration be if I add

Chemistry
1 answer:
Charra [1.4K]3 years ago
3 0

Answer:

Option C. 0.23 molar

Explanation:

The following data were obtained from the question given:

C1 = 0.5 M

V1 = 340mL

V2 = since 400mL was added to the original volume, therefore = 340 + 400 = 740mL

C2 =?

The concentration of the diluted solution can be calculated by using the following:

C1V1 = C2V2

0.5 x 340 = C2 x 740

Divide both side by 740

C2 = (0.5 x 340) / 740

C2 = 0.23M

Therefore, the new concentration of the solution is 0.23M

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