Asked by Josh
A solution of magnesium chloride, MgCl2, is prepared by dissolving 19.0g of MgCl2 in 250 mL OF water.
a.) Calculate the weight percent of magnesium chloride in solution.
b.)The denstiy of the above solution is 1.05 g/mL. Calculate the molarity of the magnesium chloride solution.
c.)Calculate the ideal freezing point of the solution. (Kf for water=-1.86 C/m)
a.) Calculate the weight percent of magnesium chloride in solution.
b.)The denstiy of the above solution is 1.05 g/mL. Calculate the molarity of the magnesium chloride solution.
c.)Calculate the ideal freezing point of the solution. (Kf for water=-1.86 C/m)
Answers
Answered by
bobpursley
a. what is 19.0/(250+19); change to percent
b. volumeof solution=mass/density=269/1.05
Molarity=molesMgCl2/volume in liters.
b. volumeof solution=mass/density=269/1.05
Molarity=molesMgCl2/volume in liters.
Answered by
wich of the following is tribasic
H3po3
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