1. What is the mass of 0.86 moles of aluminum acetate? 2. How many molecules are contained in 0.86 moles of aluminum acetate? 3. How many atoms of oxygen are in 0.86 moles of aluminum acetate? 4. How many grams of cobalt (III) sulfate can be formed from 20.0g of carbon? 5. Consider the reaction: 2CH3OH(l)+O2(g)2HCOH(l)+2H2O(l) If I wanted to produce 2.8kg of formaldehyde (HCHO) and the reaction has a 65.5% yield, how much methanol (CH3OH) must I start with in g