If `n n/3` kg of pure salt must be added to 30 kg of 2% solution of salt and water to increase it to a 10% solution, then find n.

How many kg of pure salt must be added to 30kg of 2% of salt and water to increase it to a 10% solution?

30 ml of N/10 HC1 is required to neutralize 50 ml of a sodium carbonate solution. What volume of water (in ml) must be added to 30 ml of Na_2 CO_3 solution so that the final solution has concentration N/50?

how much water should be added to 15 grams of salt to obtain 15 per cent salt solution ?

After 25kg of water had been evaporated form a solution of salt and water,which had 20% salt,the remaining solution had 30% salt.Find the weight of the original solution.

After 30kg of water had been evaporated from a solution of salt and water,which had 15% salt,remaining solution had 20% salt.The weight of the original solution was 80backslash kg b.120backslash kg c.90backslash kgd.135backslash kg

1 kg of NaOH is added to 10 ml of 0.1 N HCl, the resulting solution will