An atom of phosphorus has a mass of 5.143 X 10-23 g. How many atoms of phosphorus are in 2.00 g of phosphorus? (Give your answer in scientific notation.)

If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

How have the greenhouse gasses increased from the year 2000 to 2018