The blue dot is at what value on the number line? I'm really desperate, please help me. I'll give the person who has the correct answer brainliest.

(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 (28 + 7 + 6 + 3) x 1/2 show your work

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with