Answered

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


A.0.80

B.0.13

C.5.0

D.0.25

Verified Answer :

Willchemistry

Molar mass NaOH ( sodium hydroxide) = 40.0 g/mol

Number of moles:

n = mass / molar mass

n = 10.0 / 40.0

n = 0.25 moles

Volume = 2.0 L

Molarity = number of moles / volume in liters

M  = 0.25 / 2.0

M = 0.125  M

answer D

hope this helps!

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