Empirical formula

= CH

2

O

Empirical formula mass

= 12g/mol + 2 g/mol + 16 g/mol = 30 g/mol

Molecular formula mass

Empirical formula mass

=

60 g/mol

30 g/mol

=

2

Explanation:

ʉ ₣ł₦đ ⱡł₭ɇ ₮ⱨł₴ ₳₦₴₩ɇɽɽ

GIVEN:

• Empirical formula =CH2 O
• Molecular weight = 117 g

TO FIND

• Molecular formula

SOLUTION:

As per the formula,

molecular formula =4(CH2 O)

molecular formula =C 4 H 8 O4