Podcast
Questions and Answers
What is the purpose of washing the sides of the conical flask during the titration process?
What is the purpose of washing the sides of the conical flask during the titration process?
What is the purpose of using a stirring rod in step 3 of making a standard solution of anhydrous Na2CO3?
What is the purpose of using a stirring rod in step 3 of making a standard solution of anhydrous Na2CO3?
What is the characteristic of HNO3?
What is the characteristic of HNO3?
What is the purpose of adding DI water to the volumetric flask using a dropper in the making of a standard solution of anhydrous Na2CO3?
What is the purpose of adding DI water to the volumetric flask using a dropper in the making of a standard solution of anhydrous Na2CO3?
Signup and view all the answers
What is the colour change observed when using Methyl Orange as an indicator in Exp 2?
What is the colour change observed when using Methyl Orange as an indicator in Exp 2?
Signup and view all the answers
Why is the bottled vinegar usually diluted?
Why is the bottled vinegar usually diluted?
Signup and view all the answers
What is the purpose of taking into account the dilution factor in step 2 of solving vinegar titration questions?
What is the purpose of taking into account the dilution factor in step 2 of solving vinegar titration questions?
Signup and view all the answers
What is the term for the amount of water absorbed by a substance from the air?
What is the term for the amount of water absorbed by a substance from the air?
Signup and view all the answers
What is a characteristic of a primary standard?
What is a characteristic of a primary standard?
Signup and view all the answers
Why is the burette washed out with the solution it is to contain?
Why is the burette washed out with the solution it is to contain?
Signup and view all the answers
What is the purpose of opening the tap of the burette briefly?
What is the purpose of opening the tap of the burette briefly?
Signup and view all the answers
Why is the pipette filled until the bottom of the meniscus rests on the graduation mark?
Why is the pipette filled until the bottom of the meniscus rests on the graduation mark?
Signup and view all the answers
What is the purpose of placing the tip of the pipette against the inside of the conical flask for about 3 seconds?
What is the purpose of placing the tip of the pipette against the inside of the conical flask for about 3 seconds?
Signup and view all the answers
Why is the conical flask washed out with DI water only?
Why is the conical flask washed out with DI water only?
Signup and view all the answers
What is the purpose of adding a few drops of indicator to the conical flask?
What is the purpose of adding a few drops of indicator to the conical flask?
Signup and view all the answers
Why is a white tile placed under the conical flask?
Why is a white tile placed under the conical flask?
Signup and view all the answers