Find out the molecular mass of CaSO4.2H2O (H=1u, Ca=40u,S=32u, O=16u).

1.	Find out the molecular mass of CaSO4.2H2O (H=1u, Ca=40u,S=32u, O=16u).
Answer» 172Explanation:1×40+ 32×1 + 16×4 + 2×18=40+32+64+36=172

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