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snow_lady [41]
2 years ago
12

What volume of solution is needed to prepare a 0.50M solution of sodium hydroxide using 2.0 g of solute? Show your work

Chemistry
1 answer:
Aleks04 [339]2 years ago
6 0

Answer:

0.10 L

Explanation:

First we <u>convert the 2.0 grams of solute</u> (meaning <em>sodium hydroxide</em>)<u> into moles</u>, using its <em>molar mass</em>:

  • 2.0 g ÷ 40 g/mol = 0.05 mol NaOH

Then we can <u>calculate the required volume of solution</u>, using the <em>definition of molarity</em>:

  • Molarity = moles / liters
  • liters = moles / molarity
  • 0.05 mol / 0.50 M = 0.10 L
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