REMIDI STOIKIOMETRI

REMIDI STOIKIOMETRI

10th Grade

15 Qs

quiz-placeholder

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REMIDI STOIKIOMETRI

REMIDI STOIKIOMETRI

Assessment

Quiz

Chemistry

10th Grade

Medium

Created by

Teti Sudiyarti

Used 13+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Banyaknya mol O2 yang terdapat dalam suatu sampel gas O2 yang mengandung 3,01 x 1023 partikel adalah.... ( L = 6,02 x 10 23 )

0,125 mol     

0,25 mol

0,5 mol

0,75 mol

1 mol

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Senyawa yang mengandung jumlah molekul paling banyak adalah....

10 gram C2H6 ( Mr = 30 )

11 gram CO2 ( Mr = 44 )

12 gram NO2 ( Mr = 46 )

17 gram Cl2 ( Mr = 71 )

20 gram C6H6  ( Mr = 78 )

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada Suhu 27oC dan tekanan 1 atm, 4,92 liter gas X2 massanya 5,6 gram. Massa atom relatif adalah.... ( tetapan gas ideal = 0,082 L atm / mol Kelvin )

56

28

14

7

5,6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Massa urea dari 0,5 mol urea CO(NH2)2 adalah....( Ar C = 12, Ar O = 16, Ar N = 14, Ar H = 1 )

30 gram     

45 gram

60 gram

90 gram

120 gram

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jumlah atom besi  di dalam sepotong besi yang massanya 11,2 gram adalah....( Ar Fe = 56 ) ( L = 6,02 x 10 23 )

6,02 x 1024 atom    

6,02 x 1022 atom    

3,01 x 1022 atom    

3,01 x 1023 atom   

1,204 x 1023 atom    

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Massa molar CO2 adalah 44 gram/mol , maka massa dari 3,01 x 10 24 molekul CO2 adalah....

220 gram

140 gram

41,6 gram

14 gram

2,8 gram

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bila diukur pada keadaan standar ( 0oC , 1 atm ) volume dari 40 gram gas SO3 adalah.... ( Ar S = 32, Ar O = 16 )

5,6 liter       

11,2 liter

2,24 liter

1,12 liter

0,56 liter

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