What is the total number of moles of NaCl formed when 2 moles of Na_2CrO_4 react completely?

1 Answer
Mar 4, 2016

It is 4 moles

Explanation:

As the formula of Na_2CrO_4shows that 1 molecule contains 2 atoms of Na then 2 molecules will contain 4 atoms of Na i.e. 1 mole contains 2 moles Na..Again 1 mole NaCl contains 1 mole Na
This means 2moles of Na_2CrO_4 will form 4 moles NaCl