Asked by Michael

Some amount of water is evaporated from a 2.0 L, 0.2 M NaI solution, to from a 1.0 L solution. The molar mass of NaI is 150 g/mol.

What is the final concentration of NaI solution in?

A. 30 g/L
B. 15 g/L
C. 60 g/L
D. 45 g/L

Answers

Answered by scott
half the volume of solution with the same amount of NaI means the concentration is doubled

there are 0.4 moles of NaI in the liter of solution
Answered by Michael
sooo D?
Answered by scott
150 g/mole * 0.4 moles/L = ? g/L
Answered by Adam
My guess it 60 g / L
Answered by Adam
*it's
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