1.

Calculate the formula atomic mass of CaSO4.2H2O

Answer»

each elementCa = 40S = 32O = 16H = 1Molecular massCaSO₄H₂O= > 40 + 32 + ( 16 × 4 ) + 2 [ ( 1 × 2 ) + 16 ]= > 40 + 32 + 64 + 2 [ 2 + 16 ]= > 40 + 32 + 64 + 2 × 18= > 40 + 64 + 68= > 104 + 68= > 172ANSWER:172 g



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