A 0.100 m K2SO4 solution has a freezing point of (−0.43)∘ C. What is the Van Hoff factor (i) forthe solution? Kf=1.86∘C. What is the molar mass (MW) of glucose?

To figure out the solution's Van Hoff factor is:Tf=i⋅kf⋅m&nbsp;i=0.43∘1.86∘Cm⋅0.1&nbsp;To calculate the molar mass of glucose&nbsp;molality = moles of solute/ mass of the solvent(Kg)&nbsp;0.1m = moles / 1Kg&nbsp;Moles =mass(g) /molar mass(g/mol)

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allhvasstH

Answered question

2021-03-22

A 0.100 m

K_{2} S O_{4}

solution has a freezing point of

{(- 0.43)}^{\circ}

C. What is the Van Hoff factor (i) forthe solution?

K_{f} = {1.86}^{\circ} C

. What is the molar mass (MW) of glucose?

Answer & Explanation

okomgcae

Skilled2021-03-24Added 93 answers

To figure out the solution's Van Hoff factor is:
$T_{f} = i \cdot k_{f} \cdot m$
$i = \frac{{0.43}^{\circ}}{{1.86}^{\circ} \frac{C}{m} \cdot 0.1}$

To calculate the molar mass of glucose
molality = moles of solute/ mass of the solvent(Kg)
0.1m = moles / 1Kg
Moles =mass(g) /molar mass(g/mol)

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