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Julli [10]
3 years ago
5

30g of naoh is dissolved in 1.5 liter solution the active mass of naoh is?

Chemistry
1 answer:
Pepsi [2]3 years ago
7 0

Answer:

0.5mol/L

Explanation:

First, let us calculate the number of mole NaOH = 23 + 16 + 1 = 40g/mol

Mass of NaOH from the question = 30g

Number of mole = Mass /Molar Mass

Number of mole = 30/40 = 0.75mol

Volume = 1.5L

Active mass = mole/Volume

Active mass = 0.75mol/1.5L

Active mass = 0.5mol/L

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