For the coagulation of 10 mL of `Fe(OH)_3` sol, 2 mL of 1 M KBr is required. What is the flocculating value of KBr?

For coagulation of 50 ml of arsenious sulphide sol, 2.5 ml of 1 M NaCl is required. What is the flocculation value of NaCl ?

For coagulation of 1000 ml of Arsenious sulphide sol, 50 ml of 1 (M) NaCl is required.What is the coagulation value of NaCl?

50 ml of N/10 NaOH. solution, 100 ml of N/5 NaOH solution and 500ml of N/2 NaOH solution are mixed together. What is the strength of the resultant solution?

On addition of 1 mL solution of 10% NaCl to 10 mL gold sol in the presence of 0.0250 g of starch, the coagulation is just prevented. What is the gold number of starch?

A weak acid HA after treatment with 12 ml of 0.1M strong base BOH has a PH of 5 . At the end point the volume of same base required is 26.6 ml .what is the value K_a acid ?

A drug becomes ineffective after 30 % decomposition. The original concentration was 10 mg mL ""^(-1) which becomes 8.4 mg mL ""^(-1) during first 40 months. Assuming the decomposition of first order, calculate the expiry time of the drug in months. What is the half-life of the drug?

The formation of phosgene is represented as , CO+ Cl_2 hArr COCl_2 The reaction is carried out in 500 ml flask. At equilibrium 0.3 mole of phosgene, 0.1 mole of CO and 0.1 mole of Cl_2 are present. What is the equilibrium constant of the reaction ?