0.24 M
0.024 M
0.48 M
0.96 M
Ca(OCl)Cl + 2CH3COOH → Cl2 + (CH3COO)2Ca + H2O
Cl2 + 2KI → 2KCl + I2
I2 + 2Na2S2O3 → 2NaI + Na2S4O6
Meq. of I2 = Meq. of Cl2
∴ meq. of Na2S2O3 = 48 × 0.25
Millimoles of I2 reacted = 6
Millimoles of Cl2 reacted = 6
Millimoles of bleach = 6
25 × M = 6
M = 6/25 = 0.24 M