calculate the formula atomic mass of CaSO4.2H2O
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Mass of each element
Ca = 40
S = 32
O = 16
H = 1
Molecular mass
CaSO₄H₂O
= > 40 + 32 + ( 16 × 4 ) + 2 [ ( 1 × 2 ) + 16 ]
= > 40 + 32 + 64 + 2 [ 2 + 16 ]
= > 40 + 32 + 64 + 2 × 18
= > 40 + 64 + 68
= > 104 + 68
= > 172
ANSWER:
172 g
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