Answer:
(a) Sulphur
and oxygen
(b) Valency
of sulphur in
Valency of
sulphur in
(c) 5 x
Avogadro's number =5 x 6.022 x 1023 molecules
(d) m = 320 g,
M = 64 g moles
(e)Molar
mass of 10 moles of
=10[ 23 x 2 +
32 + 16 x 3]
=1260g
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