195 g of water containing magnesium chloride boils at 102.5 celcuis. what mass of salt is needed?

3 answers

Let me check you work on this. The bp elevation is 2.5C
the answer is 30.1 grams magnesuim chloride but i don't kknow how to get to the answer
bpeleveation=m*constant
m=2.5/1.86

now m=moles/kgwater=moles/.195
moles=mass/formulamassMgCl2

mass=formulamass*.195*2.5/1.85

check all that math.