Molality is defined as 1 mole of a solute in 1 kg of solvent.
Molality=
Number of moles of solute, n=
Given mass of the nitrobenzene=0.2 g
Molar mass of the substance= 123.06 g mol⁻¹
Number of moles of nitrobenzene,
Number of moles of nitrobenzene, n= 0.0016 mol
Mass of 10.9 g of naphthalene in kg=0.0109
Molality= 0.146 m
Answer:
irregular galaxy
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1 is 5<3=me & you
Explanation:
The needed heat is 47,65 Joules.
bro if you read it it will tell you what it is
( just telling you to read it man or women)
Here is your answer mate :D