
KONSEP MOL DAN HUKUM DASAR KIMIA
Quiz
•
Chemistry
•
1st Grade
•
Hard
Natia Afriana Suri
Used 27+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pernyataan yang paling sesuai tentang hukum Lavoisier adalah ....
Jumlah molekul sebelum dan sesudah reaksi selalu sama
Volume gas sebelum dan sesudah reaksi selalu sama
Perbandingan massa unsur penyusun senyawa selalu tetap
Massa zat sebelum dan sesudah reaksi selalu sama
Perbandingan massa unsur penyusun senyawa berubah-ubah
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Hukum perbandingan tetap (Proust) menyatakan bahwa . . .
massa zat sebelum dan sesudah reaksi adalah tetap
molekul merupakan partikel terkecil suatu senyawa
dalam suatu senyawa perbandingan massa unsur-unsur penyusunnya selalu tetap
perbandingan massa unsur-unsur penyusun senyawa selalu berubah-ubah
perbandingan massa materi yang menyusun campuran selalu tetap
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Massa Kalsium karbonat CaCO3 (Mr = 100) yang mengandung 3,02 x 1023 molekul adalah . . . .
10 gram
25 gram
50 gram
20 gram
60 gram
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Persentase (%) massa Mg dalam MgO (Ar Mg = 24, O = 16) ialah . . . .
20 %
60 %
30 %
45 %
50 %
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Banyaknya atom yang terkandung dalam 9,2 gram Natrium (Ar Na = 23) . . .
1,2 x 1023
2,2 x 1023
2,3 x 1023
2,4 x 1023
2,5 x 1023
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapa jumlah mol Fe2(SO4)3 (Mr = 400) yang memiliki massa 4 gram . . . .
0,25 mol
0,2 mol
0,1 mol
0,01 mol
0,001 mol
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jumlah mol dari 1,204 x 1023 molekul air adalah . . . .
2 mol
1,6 mol
1 mol
0,5 mol
0,2 mol
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