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
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
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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