Q 9. What is the mass of:
(b) 0.5 mole of water molecules?
The mass of 1 mole of water molecules = 18 g
Thus,
the mass of 0.5 mole of water molecules = 18 x 0.5
= 9.0 g
CBSE Class 10, 12 syllabus 2024-25 out; board restores two-level mathematics rule
CBSE Class 10 board exam 2024 passing criteria, eligibility for compartment; all you need to know
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