posted by quennie .
a solution of 30 percent by weight has a density of 0.96g/mL at 25 degree celcius.find the molarity and molality.
Science, not "10th grade" -
Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
10th grade -
You are going to have a tad of the thinking yourself. I will be happy to critique your work. Of course, you have to know 30 percent by mass of WHAT.