Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / mahesh
To 20 ml of 20% solution of Sodium Chloride add 0.1 ml of
bromothymol blue solution (50 mg of bromothymol blue
dissolved in a mixture of 4 ml of 0.02M sodium hydroxide and
20 ml of ethanol (96%) and dilute to 100 ml with water (pH
range, 6.0 to 7.6)). Not more than 0.5ml of 0.01M
Hydrochloric Acid or 0.01M Sodium Hydroxide is required to
change the colour of indicator.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
Why titration in which hcl and h2so4 is use?
How many millilitre is equal to 1 litre and how many microliter is equal to litre?
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
Differentiate between organic and inorganic chemistry?
What are the electrodes used in potentiometer titration?
Why is disodium salt of edta preferred to edta?
What is determining factor in the oxidation reduction reaction?
What is an indicator electrode?
Why is ammonia-ammonium chloride buffer added?
Why is the role of glycerol & naoh?
Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?
What forms the basis for colorimetric determination?
Which is the indicator used in the determination of cao I cement solution?
What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?
What is the chemical formula of alum?
