Chemistry, 18.01.2022 14:00, angiezavala61

In an experiment, 1.61g of Na2SO4•xH2O is heated until all the water is given off. The mass of Na2SO4 remaining is 0.71g.
[Mr
: Na2SO4,142; H2O,18]
Determine the value of x using the following steps.
● Calculate the number of moles of Na2SO4 remaining.
mol
● Calculate the mass of H2O given off.
g
● Calculate the number of moles of H2O given off.
mol
● Determine the value of x.
x =

Answers: 2

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In an experiment, 1.61g of Na2SO4•xH2O is heated until all the water is given off. The mass of Na2...