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Question
Calculate the relative molecular mass of Potassium chlorate.
(use K = 39, Cl = 35.5, O = 16, C = 12, H = 1, Na = 23, N = 14, S=32)
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Solution
The relative molecular mass of Potassium chlorate (KCIO3} is
[atomic mass of 1K atom + Atomic mass of 1 Cl atom + atomic mass of 3 O atoms]
39+ 35.5 + 16 x 3 = 122 .5
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