Science
Related Questions
Write down the names of compounds represented by the following formulae:
(i) Al2(SO4)3
(ii) CaCl2
(iii) K2SO4
(iv) KNO3
(v) CaCO3
What is meant by the term chemical formula?
Calculate the molecular masses of
- H2
- O2
- Cl2
- CO2
- CH4
- C2H6
- C2H4
- NH3
- CH3OH.
Calculate the formula unit masses of ZnO, Na2O, K2CO3, given atomic masses of Zn = 65u, Na = 23u, K = 39u, C = 12u, and O = 16u.