ICSE Class 10 Chemistry 2017 Solved Paper

Question : 31

Total: 86

Calculate the number of gram atoms in 4.6 grams of sodium (Na=23) .

Solution:

23‌gm of Na=1‌gm atom
4.6‌gm‌ of ‌Na‌=‌

×4.6
‌=0.2‌gm‌ atom ‌

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