The student repeated the investigation. The student used solutions that had different concentrations from the first investigation. The student found that 15.5 cm3 of 0.500 mol/dm3 dilute sulfuric acid completely reacted with 25.0 cm3 of potassium hydroxide solution. The equation for the reaction is: 2 KOH + H2SO4 → K2SO4 + 2 H2O Calculate the concentration of the potassium hydroxide solution in mol/dm3 and in g/dm3 Relative atomic masses (Ar): H = 1 O = 16 K = 39 – 6120

Q1.

The student repeated the investigation.

The student used solutions that had different concentrations from the first investigation. 

The student found that 15.5 cm3 of 0.500 mol/dm3 dilute sulfuric acid completely reacted with 25.0 cm3 of potassium hydroxide solution. 

The equation for the reaction is: 

2 KOH + H2SO4 → K2SO4 + 2 H2O 

Calculate the concentration of the potassium hydroxide solution in mol/dm3 and in g/dm3 

Relative atomic masses (Ar): H = 1 O = 16 K = 39

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Concentration in mol/dm3 = _____________________ mol/dm3 

Concentration in g/dm3 = ______________________ g/dm3 (6)