Question

Calculate the molecules mass of C2 H6, CH4, C2H4, NH3, CH2OH

Answer 1

(a) C2 H6 = 2 x 12 + 6 x 1 = 30 u

(b) CH4 = 1 x 12 + 4 x 1 = 16 u

(c) C2H4 = 2 x 12 + 4 x 1 = 28 u

(d) NH3 = 1 x 14 + 3 x 1 = 17 u

(e) CH2OH = 12+1×3+16+1= 12+3+16+1= 32

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