STOIKIOMETRI KIMIA KELAS X

STOIKIOMETRI KIMIA KELAS X

2nd Grade

15 Qs

quiz-placeholder

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STOIKIOMETRI KIMIA KELAS X

STOIKIOMETRI KIMIA KELAS X

Assessment

Quiz

Chemistry

2nd Grade

Medium

Created by

Muhamad Nurissalam

Used 5+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui massa atom relatif (Ar) C = 12 dan O = 16, maka massa 0,2 mol CO2 adalah ....

4,4 gram

8,8 gram

8,8 sma

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dari zat berikut ini, yang mempunyai massa terbesar adalah .... (H = 1; C = 12; O = 16)

0,1 mol H2O

1 molekul CO2

3,01 × 10^23 molekul H2

2 mol CH4

1000 lusin atom oksigen

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika diketahui massa atom relatif (Ar) O = 16 dan tetapan Avogadro = 6,02 × 10^23, maka dalam 16 gram oksigen terdapat atom oksigen (o2)sebanyak ....

7,52 × 10^22

3,02 × 10^23

1,25 × 10^23

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

jumlah mol dari 36 gram air (H2O) dengan atom relatif (Ar) H = 1, O = 16, adalah....mol

1

2

3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

JIka 28 gram Nitrogen (N2) , 40 gram CO2, dan 18 gram NH3 (diketahui Ar N=14, C=14, O=16 dan H=1) mempunyai harga mol yang paling besar adalah...

NH3

CO2

N2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika 3,01 × 10^23 atom unsur X massanya 3 gram, maka massa atom relatif unsur itu adalah ....gram

9

6

3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui massa atom relatif (Ar) dari C = 12 dan O = 16. Jika massa karbon dan oksigen sama, maka perbandingan jumlah atomnya (C : O) adalah ....

1 : 2

4 : 3

2 : 3

3 : 4

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