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.
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.
1 answer