What Is The Molar Mass Of Potassium Oxalate?

The molar mass of potassium oxalate is 166.22 g/mol. This can be calculated by adding the atomic masses of the constituent elements, which are 39.10 g/mol for potassium, 12.01 g/mol for carbon, and 2 x 16.00 g/mol for oxygen (since there are two oxygen atoms in the oxalate ion). Thus, the total molar mass is:

M(K2C2O4) = 2 x M(K) + M(C) + 2 x M(O)

= 2 x 39.10 g/mol + 12.01 g/mol + 2 x 16.00 g/mol

= 78.20 g/mol + 12.01 g/mol + 32.00 g/mol

= 122.21 g/mol + 32.00 g/mol

= 154.21 g/mol

However, since there are two potassium oxalate units in the formula K2C2O4, we need to multiply this value by 2 to get the molar mass of one unit:

M(K2C2O4) x 2 = 154.21 g/mol x 2 = 308.42 g/mol

Therefore, the molar mass of potassium oxalate is 308.42 g/mol.