Question

7.45g of Kcl dissolved in 1000g of water having density 0.998gm calculate Molarity , molality, and Mole fraction of Kcl​

Answer 1

Answer:

Mass of KCl = 7.45g

Molecular wt of KCl= 39+35.5=74.5g

Moles of KCl =

74.5

7.45

=0.1

Molarity =

massofsolvent(inkg)

moles

=

100×10

−3

0.1

=1m