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Sagot :
The molarity of the solution is 0.43 M
What is molar concentration or molarity?
- A solute's concentration in a solution, specifically the quantity of it per unit volume of solution, is measured by its molar concentration, which is a chemical word.
- The amount of moles per litre, denoted by the unit sign mol/L or mol/dm3 in SI units, is the most often used unit denoting molarity in chemistry.
Calculation of molarity:
Initially, we must change grams of hydrogen chloride into moles.
Moles of solute per L of solution are known as molarity.
M = n/v
where, M=molar concentration,
n = moles of solute,
v= litres of solution
We must divide by the molecular mass to go from grams to moles.
5.20 g of HCl * (1 mole/36.46 g of HCl) = 1.14 moles of HCl
3.0 L x 0.143 moles = 0.429 M HCl ≈ 0.43 M HCl
Therefore it is concluded from the above solution that the molarity of the solution is 0.43 M HCl.
Learn more about molarity here:
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