1. empirical formula for cu2o4?

2. empirical formula for zn3(no3)4?

3. empirical formula for ti2s2.5?

4. what is the molecular formula if the molar mass = 112.04 g/mol and the empirical mass of co is 28.01 g/mol?

5. empirical formula if you have 0.631m cr & 1.90mol cl?

We know that

1) empirical formula of a compound is the representation of a molecules with the elements in simplest mole ratio.

2) the molar mass is the actual proportion of moles of elements present in a molecule

3) there is a simple ratio between the molar mass and empirical mass a molecule

Now let us solve each problem

1) empirical formula of will be

2) empirical formula of will be

3) empirical formula of will be

4) the molecular formula will be :

the molecular formula = 4 X empirical formula = 4 X CO =

5) the mole ratio of Cl and Cr is

empirical formula will be