A card is drawn from a standard deck. What is the probability that a 10 or a red card is drawn? Write in the equation in set notation and then solve it.

(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 ?

Name these type of angles shown check all that applies

What is the base of 1/9 to the power of 2