Given that the Ka of benzoic acid is 6.3 x 10-5 , calculate the pH at the following points when 0.080 M sodium hydroxide is added to 10.0 mL of 0.052 M benzoic acid: At the equivalence point After 1.5 mL of excess base have been added

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils