A) How many mL of a 0.158 M aqueous solution of sodium nitrate, NaNO3, must be taken to obtain 1.58 grams of the salt? _________ mL   B)  How many mL of a 0.193 M aqueous solution of ammonium fluoride, NH4F must be taken to obtain 3.14 grams of the salt? _________ mL   C) How many grams of sodium nitrate, NaNO3, are required to make a 4.32 %(w/v) aqueous solution in a 500. mL volumetric flask?  _______ g   D) How many grams of ammonium fluoride, NH4F, are required to make a 6.47 %(w/v) aqueous solution in a 500. mL volumetric flask?  ________ g

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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.