1. The problem statement, all variables and given/known data Determine the concentration in molL^-1 of a solution of sodium carbonate whoch contains 53g of sodium carbonate in 500ml of solution. Calculate the concentration of sodium and carbonate ions in this solution. 2. Relevant equations no of mols= Mass/Mr mols= [ ] x vol ---------- 1000 3. The attempt at a solution Mr= 106 no of mols= 53/106 = 0.5mols molsx 1000/ vol = [ ] 0.5x1000/500= 1molL^-1 Na2CO3 2mols Na^+: 1mol CO3^2- I'm usure of how to calculate the rest. would the conc of Na ion be 2x 1molL^-1 = 2molL^-1 then making the conc of CO3^2- just 1molL^-1?