mixture containing 30% nitric acid, 40% sulfuric and 30% water has to be made by mixing 98% pure aqueous sulfuric acid, 90% pure aqueous nitric acid and a waste acid containing 5% nitric acid, 20% sulfuric acid and the balance is water. Calculate the weight of each of the above three streams required for making 1000 kg of the required mixture.

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Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.