What is the concentration of 458 mL of AgNO3 If it requires with 298 mL of 0.329 M Na2SO4 solution to completely react? Hint: You will want to write a balanced reaction.

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

What’s the percent by mass of carbon in c10h14n2

How many atoms are there in 5.70 mol of mg