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A compound has an empirical formular CH2O and mol...

A compound has an empirical formular CH2O and molecular mass of 90.

[H = 1.00, C = 12.0, O = 16.0]

A.

C4H10O2

B.

C3H10O2

C.

C3H6O3

D.

C2H2O4

View answer & explanation

Correct answer is C

(CH2O)n = 90; (12 + (1 x 2) + 16)n = 90
(12 + 2 + 16)n = 90; 30n = 90; n = 9030; n = 3
(CH2O)3 = Molecular formula ; = C3H6O3

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