Posted by allen on Sunday, March 20, 2011 at 4:04pm.
3.50% m/v means 3.50 grams NaBr/100 mL soln. You can do this one of two ways (They really are the same but the look is different.)
3.50 x (250/100) = ??
or
(Xg/250 mL)*100 = 3.50 and solve for X.
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