The following label was put on a container of an injection powder: '0.5g of the water soluble sodium thiopentone salt for injection, 5% solution'. If a nurse were to give the injection, calculate the correct volume of sterilized, distilled water to be added to dissolve the salt for injection. Explain why tap or river water cannot be used in place of the distilled water.

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.