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22 June, 21:10

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

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  1. 22 June, 23:19
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    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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