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0.126 gram of an acid is required to 20 ml of 0.1 NaOH for complete weight of acid is?
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0.126 gram of an acid is required to 20 ml of 0.1 NaOH for complete we...
Understanding the Reaction
When an acid reacts with a base like NaOH, it undergoes a neutralization reaction. In this case, we have 0.1 M NaOH reacting with a certain amount of acid.
Calculating Moles of NaOH
- Volume of NaOH = 20 ml = 0.020 L
- Molarity of NaOH = 0.1 M
- Moles of NaOH = Molarity × Volume = 0.1 × 0.020 = 0.002 moles
Stoichiometry of the Reaction
Assuming the reaction is a simple 1:1 reaction (common for monoprotic acids):
- Moles of acid = Moles of NaOH = 0.002 moles
Calculating the Molar Mass of the Acid
Now we need to find the mass of acid that corresponds to 0.002 moles:
- Given weight of acid = 0.126 grams
- Molar mass = Mass / Moles
- Molar mass = 0.126 grams / 0.002 moles = 63 grams/mole
Conclusion
The complete weight of the acid used in this neutralization reaction is calculated to be:
- 0.126 grams of the acid corresponds to 0.002 moles, with a molar mass of 63 grams/mole.
This information is crucial for understanding the acid-base reaction and determining the properties of the acid involved in the neutralization process.
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0.126 gram of an acid is required to 20 ml of 0.1 NaOH for complete weight of acid is?
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