Practice: Complete the table:

a. 1
b. -1
c. 2
d. 0

Please select the best answer from choices provided

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Are the corresponding angles congruent? explain why or why not.