22. A solution contains 45% WV sulphuric acid . If the density of the solution is 1.86 g/mL, what is theconcentration of the acid solution? [4 marks] 23. 150 mL of 0.20 mol/L sodium phosphate solution and 250 mLof 0. l 5 mol/L calcium nitrate solution are mixed together. Calculate the mass of calcium phospha… Show more… Show more Science Chemistry SCIEN 14567 Share QuestionEmailCopy link Comments (0)