Advertisements
Advertisements
प्रश्न
21.5 g of sodium chloride dissolves in 60 g of water at 25°C. Calculate the solubility of sodium chloride in water at that temperature.
Advertisements
उत्तर
According to question-
21.5 g of NaCl dissolves in 60 g of water. So, amount of NaCl which gets dissolved in 100 g of water = 21.5 x 100 / 60 = 35.8 g
Thus, the solubility of NaCl is 35.8 g at 25oC.
APPEARS IN
संबंधित प्रश्न
The smallest unit of matter that exists freely in nature is called ...........
The molecules can move freely anywhere in
Name the terms for the particles of matter which may or may not have independent existence.
What are molecules ?
Which of the following is not an element ?
“Is malleable and ductile” best describes :
State whether the following statement is true or false :
Bread is an example of solid foam.
Explain what happens when a beam of light is passed through a colloidal solution.
Milk of Magnesia is :
State whether the following statement are true or false :
Salt and water can be recovered from an aqueous salt solution by the process of evaporation.
Name the source from which nitrogen and oxygen are obtained on a large scale.
Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.
The dyes present in fountain pen ink can be separated by the technique of :
The boiling point of liquid argon is :
There are three liquids A, B and C, all having different densities and different boiling points. Liquids A and C are organic in nature whereas liquid B is considered to be inorganic. When liquids A and B are put together in a container, they form a single layer. On the other hand, when, liquids B and C are mixed, they form two separate layers :
(a) Which process will you use to separate a mixture of A and B ?
(b) Which method will you use to separate a mixture of B and C ?
(c) Name the liquids which would behave like (i) A (ii) B and (iii) C.
What's the solution?
We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
The property which allows the metals to be hammered into their sheets is ______.
Evaporation does form bubbles.
Gases do not diffuse very easily.
