PLEASE HELP I HAVE 10 min left
1. how many liters would you need to make a 0.5 solution if you have 5.30 mol of sodium hydroxide

2. How many moles of HCI are present in 34.46 L of a 1.25 M HCI solution?

2. what is the molarity of a solution made by dissolving 1.60 moles of sodium chloride to make 2.0 liters of solution?

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. initial mass and yield 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

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

What produces wave a)sound b) heats c)transfer of energy d)vibrations