Q ) 200 ml of 1M HCI is mixed with 800 mL of 2 M HCl. Find molality of the final solution. Given, d=1.2 gm/mL
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The molality of the final solution is 1.59 m.
Step-by-step-explanation:
M. moles of HCl = (200 X1) + (800×2) = 1800
Moles of HCL=1800/1000=1.8 moles
Wsolvent=
=dxv=1.2x1000=1200gm
= (1.8 X36.5) gm=65.7gm
m= ≅ 1.59m
What is meant by molality:
The quantity of a material dissolved in a specific mass of solvent is known as its molality (m), also known as molal concentration. The moles of a solute per kilogram of a solvent is how it is defined.
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