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Answered by
1
Answer:
0.25 NA
Explanation:
molar mass of d2o is 20gms
no. of electron = 10
no. of neutron = 20-10 = 10
Thus 1 molecule has 10 neutrons
No. Of molecules in 5g of d2o = 5/20 x NA
= 0.025 NA
=> no. Of neutrons = 10 x 0.025 Na
= 0.25 NA
Answered by
0
Answer:
o. 25NA
Explanation:
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