1 mole of Na2CO3 ------------ 106g x moles of Na2CO3 ------------ 2.25g x = 0.0212 moles of Na2CO3 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mass of NaOH = 40g/mol
1 mole of NaOH ----------------- 40g x moles of NaOH -------------------- 0.800g x = 0.02 moles of NaOH ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mass of Na2SO4 = 142g/mol
1 mole of Na2SO4 ---------------- 142g x moles of Na2SO4 ------------------ 17.75g x = 0.125 moles of Na2SO4
