Chemistry, asked by minati19895, 8 months ago

please tell the answers of this picture it is important for me

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Answered by shahb3703

1

Answer:25 gms

Explanation: 20% m/m means 20 g sodium sulphate in 100 g solution

therefore water = 80 gms

80gwater =20g na2so4

100g water =

25 gms of sodium sulfate

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