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WorksheetsStoichiometry-Relative Molecular Mass, Moles
Total questions: 18
Worksheet time: 41mins
What is the relative atomic mass of
2
8
12
24
What is the relative molecular mass of nitrogen gas ?
Ar N = 14 gram
14
16
28
7
What is the relative molecular mass of ammonia
(Ar H = 1, Ar N = 14)
4
13
15
17
What is the relative molecular mass of sulfuric acid ?
(Ar H = 1 gram, Ar S = 32 gram, Ar O = 16 gram)
7
22
49
98
Manakah yang merupakan atom-atom penyusun senyawa etanol, kecuali
Carbon
Hydrogen
Magnesium
Oxygen
The number of moles of 50 g Calcium carbonate (Mr=100)
0.1
5
0.5
0.05
What is the chemical symbol for the metals sodium, potassium, lead, and zinc, respectively?
Na, K, Fe, Zn
S, P, Fe, Zn
Na, K, Pb, Zn
Na, P, Pb, Zn
Relative molecular mass of CO2 (C=12, O=16)
44
32
24
56
What is the molar mass (Ar) of one mole of Iron (Fe)?
560 kg
56.0 g
11,20 kg
112.0 g
How many moles are in 14g of lithium?
1 mol
2 mol
3 mol
4 mol
How many grams are in 3 mol of chromium?
52 g
104 g
156 g
1 g
What is the molar mass (Mr) of ammonium sulfate?
114 g/mol
132 g/mol
210 g/mol
2.32x105 g/mol
How many moles are in 39 g of aluminium hydroxide?
0.5 mol
1 mol
1,5 mol
2 mol
What is the mass of one mole of AuCl3?
232 g
105 g
197 g
302 g
What is the mass of one mole of (NH4)2CO3?
144g
138g
96g
74g
How many moles are in 9,8 grams of copper (II) hydroxide, Cu(OH)2?
1 mole
1,5 moles
2 moles
0,1 mole
What is the mass in grams of 10 mol C8H18?
114 g
1140 g
57 g
570 g
