Question

the empirical formula of compound is CO2H .1.8 g of this compound in gaseous state occupies 448 cm^3 at S.T.P find its molecular formula

Answer 1

Explanation:

7 hours ago · 2 answers

1.8 g of this compound in gaseous state occupies 448 cm^3 at S.T.P find its molecular formula. 2. See answers.

Answer 2

Answer:

C2O4H2

Explanation:

• convert cm³ into dm³ . 448/1000=0.448dm³
• find moles from volume = 0.448/22.4=0.02 moles
• divide moles from mass =1.8g/0.02moles=90 g/moles ( molecular formula mass)
• divide molecular formula mass from emperical formula mass which is 45.90/45=2 now multiply emperical formula by 2 so the molecular formula will be