A solution with a total volume of 500.0 mL contains 37.1 g K2Cr2O7. If you remove 20.0 mL of this solution and then dilute this 20.0 mL sample with water until the new volume equals 500.0 mL, what is the new concentration of this solution? ( The molar mass of K2Cr2O7 is 294.18 g/mol).

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Chromosome 17 is made of over million base pairs.