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Preparing a standard solution

In preparing a standard solution, the following equipments and substances were used:

250cm3 beaker

250cm3 volumetric flask

Filter funnel

Stirring rod

Pipette

Washing bottle

Distilled water

Anhydrous sodium carbonate (Na2CO3 0.1m)

Electronic balance

Eye protection

Procedure:

1. We weighed 250cm3 mass of sodium carbonate on an…

Page 2

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For the titration, the following equipment and substances are used:

Pipette
Burette
Lab stand with a clamp
Indicator: methyl orange
Sulphuric acid (H2SO4)
White tile
Conical flask
Funnel
Eye protector

Procedures:

1. We setup the titration apparatus. Putting the clamp on the stand and the burette on
the clamp, and…

Page 3

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The equation for the reaction is: Na2CO3+H2SO4 Na2SO4+H2O

Mole ratio: 1:1

This is the formula used:




For Na2CO3

We know that the volume used is = 25cm3

We also know that the concentration is = 0.1mol

The number of moles will be= Concentration x volume

= 0.1 x 25

1000…

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