Advertisements
Advertisements
Question
9.72 g of potassium chloride dissolves in 30 g of water at 70°C. Calculate the solubility of potassium chloride at that temperature.
Advertisements
Solution
According to question-
9.72 g of KCl dissolves in 30 g of water.
So, amount of KCl which gets dissolved in 100 g of water = 9.72 x 100/30 = 32.4 g
Thus, the solubility of KCl = 32.4 g
APPEARS IN
RELATED QUESTIONS
What do you mean by the inter-molecular spaces? How do they vary in different states of matter?
Define the following term of Atom .
In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air. Why do these dust particles move?
What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?
Which of the following are ‘pure substances’ ?
Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, Brick, Wood, Air
How much water should be mixed with 12 mL of alcohol so as to obtain 12 % alcohol solution ?
Define solvent.
Define the emulsion. Give one example.
What will happen if a saturated solution is :
- heated
- cooled
One of the following liquids will leave behind a residue on heating. This one is :
Tincture of iodine has antiseptic properties. This solution is made by dissolving :
State whether the following statement are true or false :
Alcohol can be separated from a mixture of alcohol and water by a separating funnel.
Name the process you would use to separate a mixture of water and alcohol.
Fill in the following blanks with suitable words :
If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................
Write a method to separate a mixture of sand and potash alum.
How can you obtain pure water from a salt-water mixture (or salt-solution) ? Draw a neat and labelled diagram of the apparatus you would use to obtain pure water from a salt-water mixture (or salt-solution).
Name one pair of liquids which can be separated by using a separating funnel.
Define the term matter.
Intermolecular space is maximum in ______.
Define the term matter.
