Calculate the amount of solution (g or mL) that contains each of the following amounts of...

Calculate the amount of solution (g or mL) that contains each of the following amounts of solute.

5.2 g of LiNO3 from a 35 %(m/m) LiNO3 solution.

31.6 g of KOH from a 20.0 %(m/m) KOH solution.

3.1 mL of formic acid from a 18 %(v/v) formic acid solution.

Solutions

Expert Solution

35 %(m/m) LiNO3 solution means 35 g of LiNO3 present in 100g of soloution

5.2g of LiNO3 present in = 100*5.2/35 = 18.86 g of solution

20.0 %(m/m) KOH solution means 20g of KOH present in 100g of solution

31.6g of KOH present in = 100*31.6/20 = 158g of solution

18 %(v/v) formic acid solution means 18ml of formic acid present in 100ml of solution

3.1ml of formic reaction in = 100*3.1/18 = 17.22 ml of solution

queen_honey_blossom answered 8 months ago

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