Answer: The concentration of NaOH solution is 0.194 M
Explanation:
To calculate the number of moles, we use the equation:
Given mass of KHP = 0.294 g
Molar mass of KHP = 204.22 g/mol
Putting values in above equation, we get:
The chemical reaction follows the equation:
By Stoichiometry of the reaction:
1 mole of KHP reacts with 1 mole of NaOH.
So, 0.00144 moles of KHP will react with = 0.0144 of KOH.
To calculate the molarity of NaOH, we use the equation:
We are given:
Moles of KOH = 0.00144 moles
Volume of solution = 7.42ml = 0.00742L (Conversion factor: 1L = 1000 mL)
Putting values in above equation, we get:
Hence, the molarity of NaOH solution is 0.194 M