20 cm3 of 0.09 mol dm3 solution of tetraoxosuiphate (Vi) acid requires 30cm3 of sodium hydroxide solution for complete neutralization. The molar concentration of sodium hydroxide is [H = 1; S = 32; 0 = 16; Na = 23]
- 0.03 mol dm3
-
0.12 mol dm3
- 0.27 mol dm3
- 0.45 mol dm3
- 0.90 mol dm3