What is the name of this angle? a. right b. straight c. acute d. obtuse

(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 ?

What is 1/3x5 on anuber line what does it look like on a number line

Can someone explain to me how to do