कैलकुलेट द नंबर ऑफ सोडियम एटम इन है 2×10-8 gm सोड़यं
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1
Answer:
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0
Answer:
2*10-8=12
Explanation:
2*10-8
first we do 2*10=20
20-8=12
answer is 12gm
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