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What is the freezing point, in °C,

of a 1.56 m aqueous solution
of K3PO4?
Note: K for water is 1.86 °C/m
Enter rounded answer to three decimal points.

What is the freezing point, in °C, of a 1.56 m aqueous solution of K3PO4? Note: K-example-1
User Smuuf
by
4.3k points

2 Answers

4 votes


\boxed{\sf \Delta T_f=K_fm* i}

  • i is vant of factor

For K_3 PO_4

It shall release 3K+ and PO_4- ions

  • So vant Hoff factor is 4

Now


\\ \rm\Rrightarrow \Delta T_f=1.56(4)(1.86)


\\ \rm\Rrightarrow \Delta T_f=11.6°C

It can be freezed easily at room temperature in UK or Siberia

User Kgilpin
by
4.3k points
6 votes

Answer:

1,380 °C hope this is the right answer

User Belgariontheking
by
4.5k points