1. How much a 15.0 M stock solution do you need to prepare 350 mL of 2.25 M HF
solution?

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

1) this is the structure in the cell nucleus that houses a cell's genetic information

Idon't really understand this can you me and show your work.☺☺[ chemistry b] subject [ electron transfer in lonic bonds]grade( 12)