What’s the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?
Answers
Hi there,
☆ find the no of moles for each element in the compound
n (C) = 65.5 ÷ 12 = 5.46
n (H) = 5.5 ÷ 1 = 5.5
n (O) = 29.0 ÷ 16 = 1.8
☆ find the mole ratio by dividing over the lowest mole value which is 1.8
● C = 5.45 ÷ 1.8 = 3
● H = 5.5 ÷ 1.8 = 3
● O = 1.8 ÷ 1.8 = 1
☆ The empirical formula is C3H3O
♡ Hope the answer helps
♡ Plz mark it as brainliest
Answer: C3H3O
Explanation:
Carbon hydrogen Oxygen
mass 65.5 5.5 29.0
Ar 12 1 16
no of moles 5.458333333 5.5 1.8125
1.8125 i.8125 1.8125
3 3 1
= c3 h3 o1
:c3h3o