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How many litres of ammonia gas at S.T.P. would be needed to prepare 100 mL of 2.5 M ammonium hydroxide solution ?

(a) 5.6 L

(b) 0.056 L

(c) 11.2 L

(d) 0.56 L

1 Answer

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Best answer

Correct option (a) 5.6 L

Explanation:

 Molecular weight of NH4OH = 35

Now, 35 g of NH4OH is needed to prepare I M solution in I litre

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