Basic Concepts - 4
1.
Reactant is consumed
a) 56g/mole
b) 1.87 moles
c) No additional product is formed
d) % age yield
2.
Molar mass of CaO
a) 1.87 moles
b) % age yield
c) 56g/mole
d) No additional product is formed
3.
Moles of 100g of NH
4
Cl
a) 1.87 moles
b) % age yield
c) No additional product is formed
d) 56g/mole
4.
Law of conservation of mass & law of definit proportions.
a) Stoichrometary
b) n(empirical formula)
c) One mole of substance
d) 1/22 414 moles
5.
1dm
3
of the ideal gas at STP
a) One mole of substance
b) 1.842 X 10
23
negative charges.
c) 1/22 414 moles
d) n(empirical formula)
6.
6.14 X 10
22
molecule of H
3
PO
4
give three
+
ve chages in solution.
a) One mole of substance
b) 1.842 X 10
23
negative charges.
c) n(empirical formula)
d) Stoichrometary
7.
6.02 X 10
23
a) Stoichrometary
b) n(empirical formula)
c) 1.842 X 10
23
negative charges.
d) One mole of substance
8.
Molecular formula
a) 1.842 X 10
23
negative charges.
b) n(empirical formula)
c) 1/22 414 moles
d) One mole of substance
9.
Atomic mass
a) 342g
b) Grams
c) Mole
d) 96g
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