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I have 345mL of a 1.5M NaCl solution. If I boil the water until the volume of the solution is 250mL, what will the molarity of the solution be? A. 28.5M B. 1.07M C. 2.07M D. 1.5M
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I have 345mL of a 1.5M NaCl solution. If I boil the water until the volume of the solution is 250mL, what will the molarity of the solution be?

A. 28.5M
B. 1.07M
C. 2.07M
D. 1.5M

User Munna Babu
by
8.5k points

1 Answer

1 vote
Answer is
C. 2.07 M


For explanation

M1V1 = M2V2

M2 = (M1V1)/V2

M2 = (1.5M x 345ml) / 250 ml

:. M2 = 2.07 M
User Basil Mariano
by
7.8k points
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