Chemistry, 28.11.2019 23:31 tshaw04614
Which statement is incorrect?
select one:
a. the volume of solution in the buret should be recorded when the endpoint is reached.
b. it is good practice to place the flask over a white background to better observe the color change of the solution.
c. the endpoint is when the indicator changes color.
d. phenolphthalein will go from a colorless solution to a pink solution for the addition of naoh to an acid solution.
e. when the indicator changes color and remains, 2 more drops of the solution in the buret should be added.
Answers: 1
Chemistry, 23.06.2019 01:00
Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold
Answers: 2
Chemistry, 23.06.2019 09:20
Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of this solution? use the periodic table in the toolbar if needed. 0.0625 g what mass of naoh must be added to the solution to increase the concentration to 30.00% by mass? g
Answers: 2
Which statement is incorrect?
select one:
a. the volume of solution in the bur...
select one:
a. the volume of solution in the bur...
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