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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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rj957 rj957
wrote...
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12 years ago
Calculate the molarity of the following solutions:

A) 1.00 L of solution contains 0.326 mol of solute.

B) 0.0942 mol of solute is put into a container and enough distilled water is added to give 100 mL of solution.

Please explain. Thanks!
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2 Replies
Replies
wrote...
#1
12 years ago
A)  0.326 M
B)  0.0942mol/0.1L = 0.942mol/L = 0.942M

Molarity is defined as number of moles per liter of solution. So for A, 0.326 moles in 1 liter is 0.326 molar. For B, same idea applies. Figure out how many moles are in 1 liter.
Answer accepted by topic starter
rizzy81rizzy81
wrote...
#2
Posts: 56
Rep: 1 0
12 years ago
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