Given that the molecular mass of iron is 56 and that of o...
Given that the molecular mass of iron is 56 and that of oxygen is 16, how many moles of iron(iii)oxide will be contained in 1kg of the compound?
25.0 moles
12.5 moles
6.25 moles
3.125 moles
0.625 moles
Correct answer is C
Fe2O3 = 56 x 2 + 48 = 160 = 1 moles
1000gm will contain 1000160 = 6.25 moles
The reaction of an alkanol with alkanioc acid is known as ...
Glucose gives a brick-red precipitate with Fehling's solution because it is ...
The most important element on the earth's crust is? ...
CH3 - CH2 - C≡CH The hybridization in the compound above is...
At room temperature and standard pressure, chlorine gas is in which state of matter? ...
Metals are said to be malleable because they ...
How many molecules of oxygen would occupy a volume of 2.24 cm3 at s.t.p? [Molar volume at s....
Unsaturated organic compounds are identified by decolourization of ...