Problem- 1. A concentration of 96.0% of w/w H2SO4 solution has a density of
1) 8g/mL. Determine molarity.
2) Describe how to prepare a 5.0% w/v solution of sodium of sodium chloride.
3) All grain contains an acceptable amount of rat hairs. If 40 rat hairs weighing 1.5X10^-4 g each were found in a 1.00kg sample of grain, what is the content of rat hairs in that sample expressed in ppm?
4) The concentration of lead in an industrail waste stream is 0.28 ppm. What is molar concentration?
5) A 250.0mL aqueous solution contains 45.1 micrograms of pesticide.
Express the pesticide's concentration in weight percent, parts per million, and parts per billion.