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Post Test Kadar Zat

Authored by YULIANA KARTIKA

Chemistry

KG

Used 2+ times

Post Test Kadar Zat
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10 questions

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1.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Suatu unsur senyawa dengan Mr = 40 mengandung 90% unsur karbon dan 10% unsur hidrogen. maka rumus molekul senyawa tersebut adalah.... Ar C = 12, Ar O =16

C2H4

C3H4

C2H6

C3H6

C4H6

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Berapa kadar gula dalam larutan yang dibuat dengan mencampurkan 20 gram gula dalam 80 gram air?

40%

60%

20%

35%

15%

3.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Persen besi yang terdapat di dalam FeSO4, jika diketahui Ar Fe = 56, Ar S = 32, Ar O = 16 adalah....

36,84%

40%

73,68%

80%

90%

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Kadar sulfur dalam pupuk ZA (NH4)2SO4 adalah.... Ar N =14, S = 32, H =1, O = 16.

12,12%

24,24%

36,36%

48,48%

60,60%

5.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Kadar magnesium dalam senyawa MgO adalah... Ar Mg = 24, O =16

20%

30%

40%

50%

60%

6.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Persen besi yang terdapat di dalam FeSO4, jika diketahui Ar Fe = 56, Ar S = 32, Ar O = 16 adalah....

36,84%

40%

73,68%

80%

90%

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Larutan  asam nitrat (HNO3) dengan Mr= 63 mempunyai konsentrasi 1 molar, artinya….

Dalam 1 liter pelarut mengandung 63 gram HNO3

Dalam 1 liter air mengandung 63 gram HNO3

Sebanyak 63 gram HNO3 dilarutkan dalam 100mL air

Dalam 1 liter larutan mengandung 63 gram HNO3

Sebanyak 63 gram HNO3 dilarutkan dalam 100 gram air

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