In order to perform a reaction in lab, 250. mL of 0.20 M HCI is required if we have 12 M HCI stock solution how much stock solution is needed to make supply for lab

Which of the following best describes the formation of plasma?

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

What is the mass of 0.46 mol of mgcl2