A compound contains 75% carbon and 25% hydrogen by mass. What is the molecular formula of the compound?
Which one of the following is electron deficient?
The correct formula of 'Plaster of Paris' is:
Down's cell is used for manufacturing sodium because:
A compound, whose molecular mass is 90 grams, contains 40% carbon, 6.67% hydrogen and 53.33% oxygen. What is the true formula of the compound?