Question

200 ml of a 0.500 m ca(no3)2 solution was made, but only 150 ml of solution are needed. if you pour out 50 ml of the soultion, what is the concentration, in m, of the 150 ml of solution you have left.

Answer 1

Wouldn't it be 100? 150 - 50 would equal 100. Unless I'm not seeing something.