Chemistry, asked by chandrasarmah9576, 1 year ago

Calculate the mass of 3.011*10^24 number of Na atom

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Answered by Anonymous
2

Calculate the number of moles present in  

(a) 60 g of calcium.  

(b) 3.011 × 1023 number of oxygen atoms.  

[Given that Ca = 40 u; Avogadro number, NA = 6.022 × 1023 per mole]

Answered by Anonymous
3
wait of na is ... 23. . mtlb..
wait of 6.023×10^23molecules wait is 23. so ..
1molecules wait will be 23/6.023×10^23. ..

wait of 3.011×10^24wait is . about .. 115 seething

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