Calculate the mass of sodium sulphate required to prepare its 50% ( mass percent) solution in 500g of water.
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M%=mass of solute (g)/mass of solution (g)
= let x be solute
=x/x+500=50
=x=50(x+500)
=x=50x+25000
=x-50x=25000
=-49x=25000
=x=25000/49
=x=510.2g
(I have doubt on this answer)
= let x be solute
=x/x+500=50
=x=50(x+500)
=x=50x+25000
=x-50x=25000
=-49x=25000
=x=25000/49
=x=510.2g
(I have doubt on this answer)
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