The number of molecules in 4 g H2 are__
number of molecules of 56 g of Na
(a) Equal to (b) less than (c) Greater than (d)None of these
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Answer:
Biology. 1.1 Evolution. 1.2 Evolution: The Theory of Evolution. 1.3 Biology: The Science of Life. 1.4 Classification of Animal Kingdom. 1.5 Structure of Plant and Animal Cell. ...
Chemistry. 2.1 Matter and its states. 2.2 Formation of Substances. 2.3 Atom. 2.4 Atomic Structure. ...
Physics.
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Answer:
A
Explanation:
no. of molecules = Given mass/Molar mass × Na( avagadro's number)
no. of molecules in H2 = 4/2 × Na = 2 Na
no.of molecules in Na = 56/23 × Na = 2 Na
so both have same number of molecules ( 2 Na)
that's why A is correct
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