Propane is widely used in liquid form as a fuel for barbecue grills and camp stoves. For 85.5 g of propane, grams of carbon is 3.55 x 10²⁴ molecules.
Given:
moles of propane = 5.9 moles
molecules of propane (C₈H₈) = ?
Formula: no. of moles = no. of molecules / Avogadro's number
We use:
no. of molecules = no. of moles x Avogadro's number . . . . . (1)
Where,
Avogadro's number = 6.022 x 10²³
Put values in equation (1)
no. of molecules =5.9 mol x 6.022 x 10²³ (molecules/mol)
no. of molecules = 3.55 x 10²⁴ molecules
So, There are 3.55 x 10²⁴ molecules in 5.9 moles of propane
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