CH-827
Empirical and molecular formulae
Chemistry · Secondary 3 · Hard · Empirical and molecular formulae
A sample of glass contains 40% silicon and 60% oxygen by mass. What is the empirical formula of this glass? (Ar: Si = 28, O = 16)
- SiO₂
- Si₂O₃
- Si₂O₅
- SiO₃
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.