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larutan

Authored by mur waniati

Chemistry

12th Grade

Used 22+ times

larutan
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

1. Berapa jumlah mol dari 2 gram NaOH dengan Mr= 40 gr/mol?

a. 0,01 mol

b. 0.05 mol

c. 0,10 mol

d. 0,50 mol

e. 0,005 mol

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2. Berapa jumlah mol ekivalen dari 10 gram NaOH?

a. 0,25 mol ek

b. 0,50 mol ek

c. 0,75 mol ek

d. 0,10 mol ek

e. 0,025 mol ek

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

3. 120 gram NaCl (Mr = 58.5gr/mol) dilarutkan dengan aquadest hingga volume 400 ml. Berapa M NaCl?

a. 5,1 mol/L

b. 2,55 mol/L

c. 5,36 mol/L

d. 10,2 mol/L

e. 7,2 mol/L

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

4. 20 ml H2SO4 95% (massa jenis = 1.834) terlarut dalam 100 ml air (massa jenis air = 1), maka besar konsentrasi larutan asam sulfat dalam % ?

a. 20,25 %

b. 22,25 %

c. 25,49 %

d. 28,25%

e. 12,26%

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

5. 25 ml alkohol 96% dicampur dengan air 75 ml, maka konsentrasi larutan alkohol?

a. 20 %

b. 21 %

c. 22 %

d. 23 %

e. 24 %

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

6. Berapa Kristal H2C2O4 yang harus dilarutkan dalam air agar didapatkan 600 ml

larutan H2C2O4 0,5 M ? ( Ar C = 12, ) – 16, H = 1 )

a. 13,5 gram

b. 20 gram

c. 27 gram

d. 30 gram

e. 33 gram

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

7. Berapa Molalitas larutan didalam 400 ml larutan ammonia, terlarut 3,4 gram NH3

( Ar N = 14, H =1) ?

a. 0,5 molal

b. 1 molal

c. 1,5 molal

d. 2 molal

e. 25 molal

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