1.

Which of the following represents the correct number of moles of each element in 40 g of ferric sulphate? [Atomic mass of Fe = 56 u, S = 32 u, 0 = 16 u]

A. Fe S 0 2 3 12
B. Fe S 0 1 1 4
C. swimming bird
D. Fe S 0 0.1 0.1 0.4
Answer» D. Fe S 0 0.1 0.1 0.4


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