If I take 63.5 mL of a 0.00100 M solution and add water until the total volume i

Question

If I take 63.5 mL of a 0.00100 M solution and add water until the total volume is 100.0 mL, what is the concentration (molarity) of the final solution? Select one: 1. 6.35x10-5 M 2. 0.00157 M 3. 0.000635 M 4. 0.000100 M 5. 6.35 M If I take 63.5 mL of a 0.00100 M solution and add water until the total volume is 100.0 mL, what is the concentration (molarity) of the final solution? Select one: 1. 6.35x10-5 M 2. 0.00157 M 3. 0.000635 M 4. 0.000100 M 5. 6.35 M Select one: 1. 6.35x10-5 M 2. 0.00157 M 3. 0.000635 M 4. 0.000100 M 5. 6.35 M 1. 6.35x10-5 M 2. 0.00157 M 3. 0.000635 M 4. 0.000100 M 5. 6.35 M

Explanation / Answer

C1V1 = C2V2 where C is concentration and V is volume

63.5 mL * 0.00100 M = x M * 100.0 mL

x = 0.000635 M

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