Answer :
Answer:
2.06 M
Explanation:
number of moles of MgCl₂ = mass given in gram / molar mass
molar mass of MgCl₂ = 95.211 g/mol
number of moles of MgCl₂ = 196 g / 95.211 g/mol = 2.06 mol
Molarity of MgCl₂ in the original sample = number of moles / volume in Liters = 2.06 mol / 1 L = 2.06 M
Molarity represent the number of solutes per liter of solution. The molarity of the solution is 2.06 M.
Molarity:
It can be understood as how many moles of solute present in the 1 liter of solution. It is represented by the M.
The molarity of the formula is,
[tex]\bold{ M = \frac{W \times 1000}{M \times V} }[/tex]
Where,
W- number of moles given mass
M- molar mass [tex]\bold{ MgCl_2}[/tex] = 95.211 g/mol
V- given volume
Put the values in the formula.
[tex]\bold {M = \frac{196\times 1000}{95.211 \times 1000} }\\\\\bold {M = 2.06 }[/tex]
Therefore the molarity of the solution is 2.06 M.
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