nayeonsAK47 nayeonsAK47

28-03-2021
Chemistry

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How much stock solution is needed to make 250 mL of a 6.0 M solution. The stock solution has a molarity of 18 M.

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21ahmedfa 21ahmedfa

28-03-2021

Answer:

83 mL

Explanation:

Use the dilution equation M1V1 = M2V2

M1 = 18 M

V1 = ?

M2 = 6.0 M

M2 = 250 mL

Solve for V1 --> V1 = M2V2/M1

V1 = (6.0 M)(250 mL) / (18 M) = 83 mL

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