<em> Pauli Exclusion Principle is about quantum numbers of an atom. Hund rule is about how electrons are filled to the orbitals of an atom.</em>
Answer:
NaCl+H20
Explanation:
It is a neutralisation reaction in which NaOH is a base and HCl is an acid. On reaction it forms salt and water.
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Answer:

Explanation:
Molecular weight of
= 100.0869 g/mol
Mass of
= 31.7 g
Moles of
= 
Moles of both
and
is 
Molecular weight of
= 44 g/mol
Mass of
= 
The mass of carbon dioxide formed simultaneously is
.
2 C2H6 + 7 O2 ➡️ 4 CO2 + 6 H2O