Answer:
Hope this helps!
Explanation:
The molarity of a given solution is defined as the total number of moles of solute per litre of solution.
\(Molarity = \frac{n}{V}\)
Here,
M is the molality of the solution
n is the number of moles of the solute
V is the volume of solution given in terms of litres
Molecular weight of oxalic acid (H2C2O4.2H2O) = 126 g/mol.
M = n/V
0.1 M = n/0.25L
n = 0. 025 mol
Number of moles = Given mass/Molar mass
0. 025 mol = m / 126
m = 3.15 g
So, amount of oxalic acid is 3.15 g
