Massa molekul relatif (Mr) dari NaOH sebesar .... (Ar Na = 23; O = 16; H = 1)
QUIZZ MOL DAN HUKUM DASAR KIMIA

Quiz
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Chemistry
•
10th Grade
•
Medium
wimbo triono
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13 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
40
23
39
98
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Untuk mendapatkan 2 mol soda kue (NaHCO3), berapa gram NaHCO3 yang perlu ditimbang? Mr NaHCO3 = 84 g/mol
84 gram
42 gram
168 gram
100 gram
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Volum 2 mol gas hidrogen yang diukur pada suhu 25oC dan tekanan 1 atm adalah....
22,4 L
24 L
12 L
48 L
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Besi yang dibiarkan terpapar udara akan berkarat. Pernyataan berikut ini yang benar mengenai massa besi berkarat dibandingkan sebelum berkarat yaitu....
Massa besi berkarat lebih besar dibandingkan sebelum berkarat
Massa besi berkarat lebih kecil dibandingkan sebelum berkarat
Massa besi berkarat sama dibandingkan sebelum berkarat
Massa besi berkarat lebih besar 2 kali lipat dibandingkan sebelum berkarat
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Jumlah mol yang terdapat dalam 196 gram H2SO4 adalah....
1 mol
2 mol
3 mol
4 mol
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Pernyataan yang benar mengenai hukum kekekalan massa berikut ini yaitu....
Tidak ada perbedaan massa sebelum dan sesudah reaksi
massa zat sebelum bereaksi lebih rendah dibanding setelah bereaksi
massa zat sebelum bereaksi lebih besar dibanding setelah bereaksi
massa zat sebelum bereaksi lebih besar dua kali lipat dibanding setelah bereaksi
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Pada kondisi STP, semua gas memiliki volum sebesar ....
22,4 Liter
24 liter
12 liter
10 liter
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