A 0.50 M stock solution of sodium thiosulfate is used to prepare a dilute solution. If 250.0 mL

of the concentrated solution is diluted to a volume of 2.5 L, determine the molarity of the

new solution.

0 0.025M

O 0.10 M

O 0.050M

0 0.075M

Question

9 December, 16:17

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Answers (1)

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Alfredo Maynard · Answer 1

C. 0.050 M

Explanation:

250.0 mL = 0.2500 L

M1V1 = M2V2

0.50 M * 0.2500 L = M2 * 2.5 L

M2 = (0.50*0.2500) / 2.5 = 0.050 M

A 0.50 M stock solution of sodium thiosulfate is used to prepare a dilute solution. If 250.0 mLof the concentrated solution is diluted to a volume of 2.5 L, determine the molarity of thenew solution.0 0.025MO 0.10 MO 0.050M0 0.075M