Question

calculate the number of moles in of sulphur present in 16g sodium sulphur

Answer 1

Atomic mass of sodium(Na) is 23u

16gm of sodium

W(given mass) is 16 gm

M( atomic mass) is 23u

16/23

0.69moles

Answer 2

$<b>$☺ Hello mate__ ❤

◾◾here is your answer.

1 mole of solid sulphur (S8)

= 8 × 32g

= 256g

i.e., 256g of solid sulphur contains

= 6.022 × 10^23 molecules

Then, 16g of solid sulpur contains

(6.022×10^23 /256 )16 molecules

= 3.76 × 10^22 molecules (approx)

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I hope, this will help you.☺

Thank you______❤

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