Question

An organic compound contains 40% Carbon and 6.66% hydrogen.Its molecular mass is 60. Calculate its molecular formula.​

Answer 1

Answer:

MOLECULAR FORMULA IS -

C2 H4 O2

Explanation:

an organic compound contain 40% carbon ,6.66% hydrogen and 53.33% oxygen

mole of carbon = 4 mole

for carbon 4O/122=3.33 3.33/3.33 = 1atom

for hydrogen 6.66/1=6.66 6.66/3.33 = 1atom

for oxygen 53.33/16=3.33 3.33/3.33 = 1atom

emperical formula CH2 O

mass 30 gram C is 60/30 = 2 atom

so formula is C2 H4 O2

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