The smokestack gas has 4.5 × 10²⁶ molecules of sulphur dioxide.
Based on the known fact, 1 mole of any substance contains 6.022 × 10²³ molecules. So, the number of moles of [tex] SO_{2}[/tex] are already known. Thus, performing calculations for the amount of molecules.
The number of molecules = 6.022 × 10²³ × 750
Performing multiplication on Right Hand Side of the equation to find the number of molecules of sulphur dioxide in smokestack gas
The number of molecules = 4.5 × 10²⁶
Therefore, there are 4.5 × 10²⁶ molecules of sulphur dioxide.
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