Enam atom unsur Y mempunyai jisim yang sama dengan tiga atom tellurium, Te. Berapakah jisim atom relatif Y?
[Jisim atom relatif; Te, 128]
F4 BAB 3 KONSEP MOL, FORMULA DAN PERSAMAAN KIMIA
Quiz
•
Chemistry
•
11th Grade
•
Hard
MAS MALIK
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Enam atom unsur Y mempunyai jisim yang sama dengan tiga atom tellurium, Te. Berapakah jisim atom relatif Y?
[Jisim atom relatif; Te, 128]
8
16
32
64
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapakah bilangan ion nitrat, NO3- dalam 2 mol aluminium nitrat, Al(NO3)3?
[Pemalar Avogrado: 6.02 x 1023 mol-1]
1.204 x 1024 mol-1
1.806 x 1024 mol-1
3.010 x 1024 mol-1
3.612 x 1024 mol-1
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Antara bahan berikut, yang manakah mengandungi bilangan atom yang paling besar?
0.1 mol karbon
0.2 mol zink
0.3 mol gas klorin
0.4 mol gas neon
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
200 cm3 suatu gas mempunyai jisim 0.15 g pada keadaan bilik. Berapakah jisim molar gas itu?
[Isi padu molar: 24 dm3 pada keadaan bilik]
18 g mol-1
30 g mol-1
50 g mol-1
150 g mol-1
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Apakah peratus komposisi mengikut jisim bagi atom karbon per molekul dalam heksana C6H14 ? [Jisim atom relatif: C, 12; H,1]
76.23%
83.72%
81.46%
84.13%
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
0.60 g logam Z bertindak balas dengan flourin untuk menghasilkan 1.17g Z flourida. Apakah formula empirik bagi Z flourida? [Jisim atom relatif: F,19; Z,40]
ZF
ZF2
Z2F
ZF4
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapakah jisim kalsium yang terkandung dalam 1 kg kalsium karbonat? [Jisim atom relatif: C,12; O, 16; Ca, 40]
100 g
300 g
200 g
400 g
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