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Sagot :
Number of moles of KOH present in solution is 3.75.
What do you mean by mole concept?
The term "mole" refers to a mole's atomic mass, which is expressed in grams. A mole is an element's gram-atomic mass, or mass.
The mole idea equates the mass of a single atom or molecule (measured in a.m.u.) to the mass (measured in grams) of a large collection of equivalent molecules.
To calculate moles of potassium hydroxide in 750 ml of 5.00 m of KOH solution -
Mathematically molarity is expressed as,
Molarity =no. of molecules of solute/volume of solution
Given: Molarity of solution = 5.00 M
Volume of solution = 750 ml = 0.750 l
∴ 5 = no. of moles/0.750
∴ number of moles = 3.75
Hence, number of moles of KOH present in solution is 3.75.
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