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Identify molecule of element and molecule …

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Identify molecule of element and molecule of compound from the following: H2, CaSO4, NH3 , O2.

Posted by Jkj Jj 3 years, 9 months ago

CBSE > Class 09 > Science

2 answers

Sanjay Kumar 3 years, 9 months ago

H2= Hydrogen CaSo4= Calcium, Sulphur, Oxygen O2= Oxygen

0Thank You

Yogita Ingle 3 years, 9 months ago

i) Molecular mass of H2= 2 x Atomic mass of H= 2 x 1
= 2 u

ii) Molecular mass of O2= 2 x Atomic mass of O
= 2 x 16
= 32 u

iii) Molecular mass of NH3= Atomic mass of N + 3 x Atomic mass of H
= 14 + 3 x 1
= 17 u

1Thank You

ANSWER

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CBSE > Class 09 > Science