CH-1948
Empirical and molecular formulae
Chemistry · Secondary 4 · Hard · Empirical and molecular formulae
A hydrated salt has the formula . When 4.00 g of the hydrated salt is heated, 2.56 g of anhydrous remains.
(Relative formula mass: , .)
What is the value of ?
(Relative formula mass: , .)
What is the value of ?
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