Which of the following statements are correct?
A. A solution is prepared by adding 2 g of a substance 
to 18 g of water. The mass percent of the solute is 
.
B. Molarity is the number of moles of solute in 1 kg of solution.
C. Molarity equation for dilution can be represented as 
, because number of moles remains constant.
D. Molarity is denoted by symbol 
.
E. Molality of a solution does not changes with temperature.
Text Solution
Verified by ExpertsD
Among the given statements, only 
and E are correct while the other statements B and C are incorrect. Their correct form are :
• Molarity is the number of moles of solute per litre volume of solution.
• Molarity equation for dilution can be represented as 
, because number of moles remains constant.
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