Asked by Alan

What is the concentration in each of the following solutions?

A) 240 mL of 0.200 M KNO3 is added to 160 mL of water.

B) 2.25g of NaCl is dissolved in 250 ml of water.
Answered by Steve
the volume has increased by a factor of 400/160. So, the concentration has decreased by the same factor.

convert grams to moles and then the concentration is moles/L
Answered by melaku
0.3
0.15
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