Untitled QuizPENILAIAN HARIAN 3.1 DAN 3.2

Untitled QuizPENILAIAN HARIAN 3.1 DAN 3.2

12th Grade

15 Qs

quiz-placeholder

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Untitled QuizPENILAIAN HARIAN 3.1 DAN 3.2

Untitled QuizPENILAIAN HARIAN 3.1 DAN 3.2

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Medium

Created by

husnaeni nawier

Used 3+ times

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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Berapakah molalitas zat terlarut dalam larutan berair yang titik bekunya 0,45oC jika diketahui Kf air = 1,86oC/m

0,142 molal

0,242 molal

0,233 molal

0,421 molal

0,5 molal

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

suatu larutan dibuat dengan melarutkan 18 gram glukosa dalam 150 gram air. larutan yang dihasilakan ternyata suhunya naik menjadi 100,340C hitunglah massa molar( Mr)

198,5296 g/mol

178,5296 g/mol

158,5296 g/mol

138,5296 g/mol

183,5296 g/mol

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

hitunglah penurunan titik beku larutan yang mengandung 0,175 mol zat terlarut nonelektrolit dalam benzena 1,25 kg

0,260oC

0,360oC

0,460oC

0,560oC

0,660oC

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

hitunglah titik didih dalam larutan glukosa 0,15 molal dalam air

100,888oC

100,188oC

100,076oC

101,076oC

110,076oC

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

suatu larutan berair mengandung senyawa nonvolatil 288 gram dengan komposisi stokiometri CnH2nOn dalam 90,0 gram air dan mendidih pada suhu 101,24oC pada tekanan 1,00 atm. bagaimanakah rumus molekul zat terlatur tersebut

C44H88 O44

C88H88 O44

C88H44 O44

C44H44 O88

C22H88 O44

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Hitunglah tekanan osmotik larutan gula 0,200M dalam suhu 270C jika R= 0,0821 L.atm/mol.K

5,39 atm

4,39 atm

4,93 atm

5,93 atm

3,99 atm

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Kedalam 250 gram air dilarutkan 17,4 gram K2SO4 apabila Kb air = 0,52oC/m hitunglah kenaikan titik didih larutan tersebut jika K = 39, S= 32, O=16)

0,2240C

0,3240C

0,4240C

0,5240C

0,6240C

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