Question
Asked Nov 25, 2019
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Calculate the mass of KHC8H4O4
(molar mass = 204.22 g/mol) that reacts with 20.0 mLof 0.100 M NaOH. Express this mass of KHC8H4O4 to the correct number of significantfigures and record the calculations. 
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Expert Answer

Step 1

Given data

Molar mass of KHC8H4O4 =204.22g/mol

Volume of the NaOH solution= 20.0mL

Molarity of the NaOH dolution = 0.1M

Step 2

No of moles of NaOH

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no of moles molarity x volume 20 -0.1Mx 1000 -0.002mol

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Step 3

 

The reactant ratio of the reaction is 1:1, therefore the number of moles of NaOH is equal to the number of moles of KHC8...

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no of moles of KHC3H,04 no of moles of N2OH 0.002mol

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