Answer:
it has six significant figures
Answer:
A. Samuel
Explanation:
although he is not right he gets the same measurement several times
This is the actual answer
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2
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3
No.of moles of N2O= 0.221g/(14*2+16) =0.005022727moles
no.of moles of N = 0.005022727*2 =0.010045454moles
