Calculate the concentration, in grams of solute per 100 g of of solute dissolved

Question

Calculate the concentration, in grams of solute per 100 g of of solute dissolved in 25.50 mL of water. water, of a solution in which 7.462 1. 2. Sketch two graphs, the first for a solid that's solubility is increasing as a function of temperature, and the second for a solid whose solubility decreases as a function of temperature. Be sure to label each axis. b) 3. In between each measurement, how many mL of distilled water are you adding to the test tube? 4. How many decimal values can you measure with a buret?

Explanation / Answer

1.

Given mass of solute = 7.462 g.

Volume of water = 25.50 mL

We know that,

Density of water = 1 g/mL

So, Mass of water = density * volume = 1 * 25.50 = 25.50 g.

Given that,

25.50 g. of water contains 7.462 g. of solute

then, 100 g. of water contains 100 * 7.462 / 25.50 = 29.26 g. of solute

Therefore,

Concentration = 29.26 g. of solute / 100 g. of water

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