5. the benzoate anion is the conjugate base of the benzoic acid. potassium
benzoate forms a basic solution in water, so benzoic acid is a
a strong acid
b salt
c weak acid
d weak base

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

8. what happens to matter during a chemical reaction