The shapes are placed in a basket
What is the probability of choosing a triangle?
A 12/12
B 2/12
C 3/12
D 4/12

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?

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '