Answer :
Final answer:
The number of moles in 98.3 grams of aluminum hydroxide is approximately 1.26 moles.
Explanation:
To determine the number of moles in 98.3 grams of aluminum hydroxide, we need to use the molar mass of aluminum hydroxide. The molar mass of aluminum hydroxide (Al(OH)3) is 78 grams/mole. By dividing the given mass (98.3 grams) by the molar mass, we can calculate the number of moles:
Moles of aluminum hydroxide = Mass / Molar mass
Moles of aluminum hydroxide = 98.3 g / 78 g/mol = 1.26 moles
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