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STOIKIOMETRI

Authored by Shabrina Fitriningsih

Chemistry

10th Grade

Used 16+ times

STOIKIOMETRI
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6 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Serbuk seng (Zn) yang massanya 13 gram direaksikan dengan 8 gram serbuk belerang(S) membentuk senyawa seng sulfida(ZnS) yang massanya 19,5 gram. massa zat yang tidak bereaksi adalah....

0,5 gram

1,5 gram

4,5 gram

13 gram

21 gram

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Jumlah atom besi di dalam sepotong besi yang massanya 112 gram adalah...

(dik. Ar Fe = 56)

6,02 x 1024 atom

6,02 x 1022 atom

30,1 x 1022 atom

12,04 x 1023 atom

1,204 x 1024 atom

3.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Bila massa atom relatif Fe = 56, S = 32, dan O = 16, maka massa molekul relatif dari senyawa Fe2(SO4)3 adalah....

4.

OPEN ENDED QUESTION

5 mins • Ungraded

Bila ke dalam 20mL larutan H2SO4 2 M ditambahkan air sehingga diperoleh 50mL larutan, maka kemolaran larutan yang terjadi adalah....

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5.

DRAW QUESTION

10 mins • Ungraded

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6.

MULTIPLE CHOICE QUESTION

5 mins • Ungraded

Banyaknya air yang harus ditambahkan ke dalam 200mL larutan NaOH 0,4M agar didapatkan larutan NaOH 0,1M adalah....

50 mL

150 mL

200 mL

600 mL

800 mL

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