Question 5 -
Ais a solution of mineral acid containing 0.06moldm
Bis a solution of sodium hydroxide containing 4.0gdm
A student titrated solution A against 25.0cm portion of B using methyl orange indicator. His
result is presented in the table below.
Titrations
1
2.
3
Final burette reading(cm)
2.80 21.50
24.00
Initial burette reading (cm)
01.30
0.100 89.50
Volume of acid used (cm)
20.50
121.40
20.50
With the information provided above .Calculate the (a)Amount of acid in the average titre (b)concentration of sodium hydroxide in mol/dm-3 (c)Amount of sodium hydroxide in the volume of Pipette (d)Mole ratio of acid to base in the reaction

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