Topic : expressing concentration of solutions

Maximum prescribed concentration of zinc in drinking water is

The maximum prescribed concentration of manganese in drinking water is

The molarity of 20 volume H₂O₂ is nearly

If 2 L of an aqueous solution containing 2 mol of solute is diluted by adding 8 L of water. Final moles of solute in the solution is

Maximum prescribed concentration of cadmium in drinking water is

Mass of CH₃COOH required to prepare 500 mL of 0.1 M aqueous solution is

200 mL of 0.1 M H2SO4 and 300 mL of 0.2 M HCl are mixed together. The molarity of H+ in the resultant mixture is

Percentage strength of 44.8 volume of H₂O₂ is

If 20 g NaOH is present in 500 ml aqueous solution then molarity of Na+ ions will be

The active mass of 2 g H₂(g) in 1 L container will be