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Rasek [7]
4 years ago
10

What is the molarity of a 2.0 L sodium hydroxide solution containing 10.0 grams of solute?

Chemistry
1 answer:
Hitman42 [59]4 years ago
5 0
Molar mass NaOH = 39.997 g/mol

number of moles:

n = mass of solute / molar mass

n = 10.0 / 39.997

n = 0.2500 moles

Therefore:

Molarity = moles of solute / volume ( L )

M = 0.2500 / 2.0

M = 0.13 mol/L

Answer B
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