WorksheetsKonsep Mol, Formula dan Persamaan Kimia
Total questions: 10
Worksheet time: 5mins
1 mol oksigen dan 1 mol metana mempunyai...
1 mol of oxygen and 1 mol of methane contain..
jisim yang sama
same mass
isi padu yang sama
same volume
bilangan atom yang sama
same number of atom
bilangan elektron valens yang sama
saame number of valence electron
Antara berikut, yang manakah merupakan persamaan kimia yang betul?
Which of the following are correct equations?
I dan/ and II
I dan/ and III
II dan/ and IV
III dan/ and IV
Berapakah bilangan ion yang terdapat di dalam 0.1 mol natrium oksida?
[Pemalar Avogadro = 6.02 × 1023 mol–1]
How many ions are in 0.1 mol of sodium oxide?
[Avogadro constant = 6.02 × 1023 mol–1]
6.02 × 10^22
1.20 × 10^23
1.81 × 10^24
18.06 × 10^24
Apakah jisim bagi 2 500 cm3 gas karbon dioksida pada stp?
[Jisim atom relatif: C = 12, O = 16; Isi padu molar = 22.4 dm3 mol–1 pada stp]
What is the mass of 2 500 cm3 carbon dioxide gas at stp?
[ Relative atomic mass: C = 12, O = 16; molar volume = 22.4 dm3 mol–1 at stp]
4.40 g
4.62 g
4.72 g
4.91 g
Jadual 1 menunjukkan 4 biji belon yang mengandungi empat jenis gas yang berbeza.
Table 1 shows 4 balloons which contain 4 different gases.
Antara belon-belon tersebut, yang manakah mempunyai bilangan atom yang paling banyak?
Which of the following balloons has the higher number of atom?
Belon/ Balloon 1
Belon/ Balloon 2
Belon/ Balloon 3
Belon/ Balloon 4
Jika formula bagi garam karbonat T ialah T2 CO3, apakah formula bagi garam T nitrat?
If the formula for carbonate salt of T is T2 CO3, what is the formula for nitrate salt of T?
TNO3
T2 NO3
T(NO3)2
T2 (NO3)3
Formula molekul bagi butil etanoat ialah CH3 COOC4 H9 . Apakah formula empirik bagi butil etanoat?
Molecular formula for butyl ethanoate is CH3 COOC4 H9. What is empirical formula of butyl ethanoate?
C3H6O
C3H4O
C2H4O
CH3O
Jadual 2 menunjukkan jisim dan jisim atom relatif unsur M dan O dalam suatu oksida logam.
Table 2 shows mass and relative atomic mass of element M and O in oxide of metal.
Apakah formula empirik bagi sebatian itu?
What is the empirical formula for the compound?
MO
M2O
MO2
M2O3
Persamaan kimia berikut menunjukkan pembakaran lengkap gas propana.
Berapakah jisim gas propana yang diperlukan untuk menghasilkan 3.8 dm3 gas karbon dioksida pada keadaan bilik?
[Jisim atom relatif: H = 1, C = 12; Isi padu molar gas pada keadaan bilik ialah 24 dm3 mol–1]
Chemical equation shows complete combustion of propane gas.
How many mass of propane gas needed to produce 3.8 dm3 of carbon dioxide gas at room condition?
[Relative atomic mass: H = 1, C = 12; molar volume of gas at room condition = 24 dm3 mol–1]
2.2 g
6.6 g
8.8 g
10.0 g
20.0 g oksida logam dengan formula TO diturunkan dengan lengkap kepada 16.0 g logam T. Apakah jisim atom relatif bagi T?
[Jisim atom relatif: O = 16]
20.0 g of oxide of metal with formula TO reduced completely to 16.0 g of metal T. What is the relative atomic mass of T?
[Relative atomic mass: O = 16]
40
56
64
80
