with calculationCalculate the molecular mass of Al2O3 . 2H2O
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Answered by
3
Answer:
138g
Explanation:
mass of Al = 2(27) = 54g
mass of O = 3(16) = 48g
mass of H2O = 2(2+16) = 36g
total molecular mass = 138g
Answered by
0
Answer:
Element Symbol Atomic weight # Mass percent
Aluminum Al 26.9815386 2 39.1060
Oxygen O 15.9994 5 57.9723
Hydrogen H 1.00794 4 2.9217
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