How many grams of KBr are required to make 250.mL of a 0.115 M KBr solution?
A)0.242 g
B)2.17 g
C)3.42 g
D)28.8 g

Name: How many grams of KBr are required to make 250.mL of a 0.115 M KBr solution? A)0.242 g B)2.17 g C)3.42 g D)28.8 g
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Question

Quizplus · Accepted Answer

To find the grams of KBr needed, use the formula: grams = molarity (M) × volume (L) × molar mass (g/mol). The molar mass of KBr is approximately 119 g/mol. Thus, 0.115 M × 0.250 L × 119 g/mol = 3.42 g.

How Many Grams of KBr Are Required to Make 250