111. Solving a chemistry problem

128. How many cubic meters of 1 N sodium hydroxide solution will be required for complete neutralization
1.0 ∙ 10−4 m3 0.1 N hydrochloric acid solution;
1.0 ∙ 10−4 m3 1 M sulfuric acid solution;
2.0 ∙ 10−5 m3 6 N sulfuric acid solution;
3.0 ∙ 10−4 m3 0.1 M phosphoric acid solution.