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Sergio039 [100]
3 years ago
7

If 0.60 L of a solution contains 6.6 g of NaBr, what is its molar concentration?

Chemistry
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

Molarity = moles ÷ liters

to get moles of NaBr divide grams of NaBr by its molar mass (mass of Na + mass of Bromine)

Na = 22.989769

Br = 79.904

molar mass of NaBr = 102.893769

6.6g ÷ 102.893769 = 0.064143826 moles of NaBr

0.064143826 moles ÷ 0.60 liters = 0.1069 molar concentration or 11 %

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