Question

0.14
Calculate the mass of sodium sulphat required
to prepare its 20%. Comass percent solution in
100 g of water.​

Answer 1

Answer:

Let the mass of sodium sulphate required be =xg.

The mass of solution =(x+100)g.

x g of solute in (x + 100) g of solution.

20% =x/x+100×100.

20x+2000=100x.

80x=2000.

x=2000/80

x=25g.

Explanation:

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