90% and 97% pure acid solutions are mixed to obtain 21 liters of 95% pure acid solution. Find the quantity of each type of acids to be mixed to from the miture.

90% and 97% pure acid solutions are mixed to obtain 21 litres of 95% pure acid solution. Find the quantity of each type of acids to be mixed to from the mixture.

90 % pure and 97% pure acid solutions are mixed to obtain 21 litres of 95 % pure acid solution. Find the quantity of each type of acid to be mixed to form the mixture.

What amounts (in litres) of 90% and 97% pure acid solutions are mixed to obtain 21 L of 95% pure acid solution?

90% acid solution (90% pure acid and 10% water) and 97% acid solution are mixed to obtain 21 litres of 95% acid solution. How many litres of each solution are mixed.

Two solutions of 90% and 97% purity are mixed resulting in 21 litres of mixture of 94% purity. How much is the quantity of the first solution in the resulting mixture?

98% pure nitric acid is obtained by

7L of an acid solution was mixed with 3L of a 15% acid solution to make a 29% acid solution. Find the percent concentration of the first solution.

There are two solutions of Sulphuric acid (acid + water) with concentration of 50% and 80% respectively. They are mixed in a certain ratio to get a 62% sulphuric acid solution. This solution is mixed with 6 liters of water to get back 50% solution. How much of the 80% solution has been used in the entire process?

The weight of lime obtained by heating 200 Kg of 95% pure lime stone is