You visited us 1 times! Enjoying our articles? Unlock Full Access!

Molality

What is the c...

Question

What is the correct unit of concentration for the following solution?

$0.5 m o l e s$ of $C a {C l}_{2}$ dissolved in $0.25 k g$ of water.

[Note : All the symbols are in their standard form]

w / w

No worries! We‘ve got your back. Try BYJU‘S free classes today!

m

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

M

No worries! We‘ve got your back. Try BYJU‘S free classes today!

v / v

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $m$
Molality (m) of a substance is defined as the ratio of number of moles of solute and weight of solvent in Kg.

Here, molality $= \frac{0.5}{0.25} = 2 m$

So, the unit of molality is "m".

Hence, option (B) is correct.

Suggest Corrections

Similar questions

0.5 m g

1 k g

0.5 m o l e s

H C l

0.25 L

B a C l_{2}

% (w / v)

B a C l_{2} in H_{2} O

10 g

B a C l_{2}

90 g

1.09 g/mL

C l^{-}

(\frac{w}{v}) N a C l

(\frac{w}{v}) C a C l_{2}

(\frac{w}{v}) N H_{4} C l

Join BYJU'S Learning Program