Question

Find the empirical and/or molecular formulas

1. Zn = 52%, C = 9.6%, O = 38.4%

2. H = 5.8%, S = 94.2%

3. Sn = 11.775g, O = 3.18g

4. C = 85.7g, H = 14.3g

5. N = 87.5%, H = 12.5%, Mol. Mass = 32
AMU Find the empirical and molecular formulas.

6. P = 0.97g, O = 1.25g, Mol. Mass = 284 AMU Find the empirical and molecular formulas.

7. Bi = 85.65%, O = 6.56%, F = 7.79%, What is the empirical formula?

8. The empirical formula for vitamin C is C3H4O3. If it’s molecular mass is 176g/mole, what is the molecular formula for vitamin C?