You have a box that has a volume of 412cm and weighs 42g what is its density

10-14. (a) when 100.0 ml of weak acid ha were titrated with 0.093 81 m naoh, 27.63 ml were required to reach the equivalence point. find the molarity of ha. (b) what is the formal concentration of a- at the equivalence point? (c) the ph at the equivalence point was 10.99. find pk. for ha. (d) what was the ph when only 19.47 ml of naoh had been added?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

What is the percent by mass of oxygen in fe2o3