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Molarity is the most convenient way to express concentration.
Mathematically, molarity is expressed as
In present case,
mass of solute (KCl) = 36 g
molecular weight of KCl = 74.55 g/mol
volume of solution = 100 ml = 0.1 l
∴ Molarity =
= 4.829 M
Thus, conc. of saturated KCl at 20 oC is 4.829 M
Mathematically, molarity is expressed as
In present case,
mass of solute (KCl) = 36 g
molecular weight of KCl = 74.55 g/mol
volume of solution = 100 ml = 0.1 l
∴ Molarity =
= 4.829 M
Thus, conc. of saturated KCl at 20 oC is 4.829 M
Answer:
i try to solve it for you, and i aplode a similer question for you
Explanation:
Answer:
The expression for the weak base equilibrium is:
Explanation:
The expression of the equilibrium constant of base can be given as:
]
As we know, water is pure solvent, we can put
So, the the expression for the weak base equilibrium is:
