Calculate the molecular mass of the following and the percentage of the underlined one: (Atomic Mass: Cu-64, S-32, H-1, 0-16, C-12, Na-23, Si-28, N=14)
a. CuSO4.5H₂O b. C6H12O6 c. Na₂SiO₂ d. HNO
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Answer:
Molar Mass :-
a. CuSO4.5H₂O = 64+32+4(16)
= 160
b. C6H12O6 = 6(12)+12(1)+6(16)
= 72+12+64
= 180
c. Na₂SiO₂ = 2(23)+28+2(16)
= 46+28+32
= 106
d. HNO = 1+14+16
= 31
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