Calculate the molecular masses of the following compounds. Refer to the periodic table given on page 2. a) Ethanol (C2H5OH) b) Chloroform (CHCl3) c) Hydrogen Sulphide (H2S) d) Sodium Chloride (NaCl)
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Answer:
C2H5OH:-
2×mass of C+5×mass of h+ Mass of O +mass of H
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a)46a.m.u b)119.5a.m.u c)34a.m.u d)58.5a.m.u
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