Asolution is made by dissolving 4.87 g of potassium nitrate in water to a final volume of 86.4 ml solution. what is the weight/weight % or percent by mass of the solute?

answer is 5.63

The weight/weight % or percent by mass of the solute is 1.04g.mL

Explanation:

We assume, (i) that the solvent is water, and (ii) that dissolution occurs without change in volume.

So given the standard density of water, the mass of the solution is simply,

(4.87+86.4)g

For solution,

                                =

                                = 1.04 g. mL

Because nitrate salts are soluble stuff, you could get significantly higher solution densities if you dissolved more salt (volume change would be fairly negligible).

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explanation: