What is the grams of sodium in #NaCrO_4#?

1 Answer
Mar 12, 2016

Answer:

In one mole of bright yellow sodium chromate, #Na_2CrO_4#, there are approx. 46 g sodium

Explanation:

The chromate ion, #CrO_4^(2-)#, forms a disodium salt, #Na_2CrO_4#.

The equivalent weight of this substance is #161.97# #g*mol^-1#, of which #46# #g# are sodium ions. What is the percentage by mass of sodium in this substance?