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How many grams of lithium chloride, molecular mass 42.5, are dissolved in water to make 500 mL of a 0.450 M solution? A) 9.56g B) 42.50g C)21.25g D)47.22g
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4 votes
How many grams of lithium chloride, molecular mass 42.5, are dissolved in water to make 500 mL of a 0.450 M solution?

A) 9.56g
B) 42.50g
C)21.25g
D)47.22g

User IPSDSILVA
by
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1 Answer

4 votes

Answer:

9.5625 gram

Step-by-step explanation:

Molarity = mass in gram ÷ molar mass × volume in dm3

Mass in gram = molarity× molar mass × volume of solution in dm3

Mass in gram = 0.450×42.5×0.5=9.5625 g

User Medjine
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