Respuesta :

239.0 g/mol

Add the mass of each individual atom

Answer:

239.0 g/mol

Explanation:

Ca molar mass = 40.078

Cl molar mass = 35.45

O molar mass = 16

so that makes the total equation:  40.078+2(35.45)+8(16)

that equals 238.978 which rounds to 239.0 g/mol

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