1.

Convert the following number "molecules"//"atoms" into number of moles: 12.044 xx 10^(22) molecules of sulphur dioxide

Answer»

SOLUTION :Number of moles = `("GIVEN number of PARTICLES")/("Avogadro number")`
`=(12.044 xx 10^(22))/(6.022 xx 10^(23))`
`= 2 xx 10^(-1)`
= 0.2 mole sulphur dioxide


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