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4.6 Na is dissolved in 1 litre of water . then howmuch hydrogen gas will be evolved

4.6 Na is dissolved in 1 litre of water .  then howmuch hydrogen gas will be evolved 

Grade:11

1 Answers

varun
304 Points
6 years ago
HELLO ABHAY
your question is nice
understand this reaction first
2Na + 2H2O------------------------ gives 2NaOH + H2
 
atomic mass of Na=23
so for 2Na=46
so 46gm gives 2 gm of hydrogen
so for 4.6 gm of Na will produce =2/46*2
which will give you 0.2 of hydrogen
so 0.2 is the answer

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