10. How many atoms and gram atoms are there in 46 g Na
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Answer:
46g of Na atom
atomic mass of Na=23u
Number of particles=Number of Moles x N
⇒(given weight/ Gram atomic weight) x 6.023 x 10²³
=(46/23)x 6.023 x 10²³
=2x 6.023 x 10²³
⇒12.046 x 10 ²³Na particles
∴ 46 g of Na contains 12.044 x 10 ²³
⚡Hope it will help you.⚡
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