Example 1: Calculate the concentration of NaOH made by dissolving 0.15mol of NaOH in 250 cm of solution [Na=23,0=16, H=1].

Brig asked Dec 17, 2023

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28 votes

Example 1: Calculate the concentration of NaOH

made by dissolving 0.15mol of NaOH in 250 cm
of solution [Na=23,0=16, H=1].

Brig asked Dec 17, 2023

by Brig

2.7k points

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23 votes

Answer:

2.4 %

Step-by-step explanation:

.15 mole * ( 23 + 16 + 1) gm / mole = 6 gm in solution

250 cm^3 of water solvent weighs 250 gm

6 gm / 250 gm = 2.4 %

Kiiwii answered Dec 24, 2023

3.0k points

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