There are 4 mg of lead present in 2000 g of a water sample. What is the concentration of lead in m?
O 0.965 x 10-6 m
O 1.93x 10-6 m
O 1.93 x 10-6 M
O 0.965 x 10-6 M

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

Why does asexual reproduction result in offspring with identicle genetic variation