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determining the formula of a hydrate of calcium chloride (CaCl2·X H2O). Mass (g) Crucible and Lid...

determining the formula of a hydrate of calcium chloride (CaCl2·X H2O).

Mass (g)

Crucible and Lid

28.4735

Crucible and Lid + hydrate salt

33.1938

Crucible and Lid + anhydrous residue

32.0339

What is the mass of the hydrate?

mass = ___ g

What is the mass of the anhydrous residue?

mass = ___ g

What is the mass of water lost upon heating the sample?

mass = ___ g

How many mol of H2O were lost upon heating? (H2O: 18.016 g/mol)

n = ___ mol

How many mol of anhydrous residue (in this case, CaCl2) remain after heating? (CaCl2: 110.98 g/mol)

n = ___ mol

What is the whole-number ratio of H2O to CaCl2?

___ H2O : 1 CaCl2

What is the formula for the hydrate?

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