How would your results have been affected if?
a) each of the flasks you used for the standardization of naoh had initially turned pink with the addition of phenolphthalein, but the color disappeared when you added khp to each? (and you did not rinse the flasks and start over)
b) there was still visible, undissolved khp in the bottom of each flask when you finished with your titration?
c) you stopped the titration immediately after the solution first became pink (the color disappeared almost immediately)?

How many moles are equivalent to 55.5g of nano3

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.

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88