8.0575 × 10⁻² kg of Glauber’s salt is dissolved in water to obtain 1 dm³ of a solution of density 1077.2 kg m⁻³.
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In 1 dm3 solution, weight of Glauber's salt (Na2SO4.10H2O)
= 8.0575 x 10-2 kg 322.3 g of Na2SO4.
10H2O contain 142 g of Na2SO4 8.0575 x 10-2g of Na2SO4.
10H2O
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