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Kuis Kimia "Stoikiometri"

Authored by Fatin Mahdiatun Nisa

Chemistry

10th Grade

Used 853+ times

Kuis Kimia "Stoikiometri"
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika diketahui Ar H=1, S=32, dan O=16, massa molekul relatif untuk senyawa asam sulfat (H2SO4) adalah…

90

98

100

110

120

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Massa molekul relatif untuk senyawa Fe2(SO4)3 jika diketahui massa atom relative (Ar) Fe=56, S=32, dan O=16 adalah…

156

208

304

334

400

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jumlah mol air yang mengandung 2,408 x 1023 atom molekul air adalah…

0,02 mol

0,04 mol

0,05 mol

0,2 mol

0,4 mol

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui massa atom relatif (Ar) Ca= 40, C=12, O=16 maka massa 2 atom CaCO3 adalah… gram

100

200

250

275

300

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika diketahui massa molar gas CO2 adalah 44 gram/mol jumlah mol dari 22 gram gas CO2 adalah...

0,2 mol

0,5 mol

1 mol

2 mol

5 mol

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika diketahui Ar O=16 dan bilangan Avogadro=6x 1023, dalam 16 gram gas oksigen (O2) terdapat atom oksigen sebanyak…

3,01 x 1022

4,5 x 1022

6,02 x 1022

3,01 x 1023

6,02 x 1023

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Volume 11 gram gas CO2 pada keadaan standar adalah… (Ar C=12 dan O=16)

1,12 liter

2,8 liter

5,6 liter

11,2 liter

22,4 liter

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