Relative Formula Mass
Authored by Charles Martinez
Chemistry
6th - 7th Grade
NGSS covered
Used 12+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the relative formula mass of
copper (ii) chloride, CuCl2
[Relative atomic mass:
O = 16 ; Al = 27 ; S = 32 ; Cl = 35.5 ; Cu = 64 ]
90
135
137
99.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the relative formula mass of
aluminium sulphate, Al2(SO4)3
[Relative atomic mass:
O = 16 ; Al = 27 ; S = 32 ; Cl = 35.5 ; Cu = 64 ]
150
315
342
331
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the relative formula mass of
copper (i) sulphate, Cu2SO4.
[Relative atomic mass:
O = 16 ; Al = 27 ; S = 32 ; Cl = 35.5 ; Cu = 64 ]
224
160
112
128
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the relative formula mass of
copper (ii) sulphate, CuSO4.
[Relative atomic mass:
O = 16 ; Al = 27 ; S = 32 ; Cl = 35.5 ; Cu = 64 ]
100
112
200
160
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the relative formula mass of
aluminium oxide, Al2O3
[Relative atomic mass:
O = 16 ; Al = 27 ]
70
102
43
113
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the relative formula mass of
hydrochloric acid, HCl
[Relative atomic mass:
H = 1 ; Cl = 35.5 ]
36.5
35.5
34.5
37.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the relative formula mass of
calcium chloride, CaCl2
[Relative atomic mass:
Ca = 40, Cl = 35.5]
130
40
71
111
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