1. How many atoms are in 0.25 moles of carbon? 2. How many atoms are in 12.3 grams of sodium?

3. How many grams are there in 0.52 moles of boron?

4. How many grams are there in 2.0 moles of HCl?

5. How many moles are in 3.4 grams of HBr?

6. How many grams are there in 4.5x10^10 atoms of NaCl?

7. How many atoms are there in 45.1 grams of MgO?

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide