Iklan

Pertanyaan

Ke dalam 1 liter air, dilarutkan 12 gram urea. Jika diketahui massa malekul relative urea = 60, serta nilai K f ​ dan K b ​ air adalah 1 , 8 6 ∘ C m − 1 dan 0 , 5 2 ∘ C m − 1 , tentukan titik beku dan titik didih larutan tersebut.

Ke dalam 1 liter air, dilarutkan 12 gram urea. Jika diketahui massa malekul relative urea = 60, serta nilai  dan  air adalah  dan , tentukan titik beku dan titik didih larutan tersebut.

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

02

:

17

:

46

:

29

Klaim

Iklan

S. Lubis

Master Teacher

Jawaban terverifikasi

Pembahasan

Pembahasan
lock

Titik beku larutan sebesar . Titik didih larutan sebesar .

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell italic m subscript air end cell equals cell italic rho cross times V end cell row blank equals cell 1 space g space mL to the power of negative sign 1 end exponent cross times 1.000 space mL end cell row blank equals cell 1.000 space g end cell end table end style 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row italic m equals cell italic m subscript urea over italic M subscript r cross times fraction numerator 1.000 over denominator italic m subscript air end fraction end cell row blank equals cell 12 over 60 cross times fraction numerator 1.000 over denominator 1.000 end fraction end cell row blank equals cell 0 comma 2 space m end cell end table end style 


begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell increment italic T subscript f end cell equals cell K subscript f cross times italic m end cell row blank equals cell 1 comma 86 degree C space m to the power of negative sign 1 end exponent cross times 0 comma 2 space m end cell row blank equals cell 0 comma 372 space m end cell end table end style  

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell italic T subscript f end cell equals cell italic T subscript f degree minus sign increment italic T subscript f end cell row blank equals cell 0 degree C minus sign 0 comma 372 degree C end cell row blank equals cell negative sign 0 comma 372 degree C end cell end table end style 

Titik beku larutan sebesar begin mathsize 14px style negative sign 0 comma 372 degree C end style.begin mathsize 14px style space end style 


begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell increment italic T subscript b end cell equals cell K subscript b cross times italic m end cell row blank equals cell 0 comma 52 degree C space m to the power of negative sign 1 end exponent cross times 0 comma 2 space m end cell row blank equals cell 0 comma 104 degree C end cell end table end style 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell italic T subscript b end cell equals cell italic T subscript b degree plus increment italic T subscript b end cell row blank equals cell 100 degree C plus 0 comma 104 degree C end cell row blank equals cell 100 comma 104 degree C end cell end table end style 

Titik didih larutan sebesar begin mathsize 14px style 100 comma 104 degree C end style.undefined 

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

21

Iklan

Pertanyaan serupa

Apa pengaruh penambahan zat terlarut nonvolatil ke dalam air murni terhadap tekanan uap, titik beku, dan titik didih?

2

4.6

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02130930000

02130930000

Ikuti Kami

©2026 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia