Benzoic acid, calcium carbonate, and dextrose all contain the element carbon. How are they similar and how do they differ?

How can the number of core electrons be determined from the periodic table

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate according to the following equation:

)a children’s liquid cold medicine has a density of 1.23 g/ml. if a child is to take 2.5 tsp in a dose, what is the mass in grams of this dose? (1 tsp = 5 ml)