Solution 1: distilled water only
Biology, 10.03.2020 16:45, fabiolabaritto
In an experiment, acid was added to two solutions:
Solution 1: distilled water only
Solution 2: distilled water containing sodium bicarbonate
Then, the pH of each solution was taken.
Solution 1 had a final pH of 4.5, while Solution 2 had a final pH of 6.8.
Which of the following statements explains the difference between the two solutions?
Choose 1
(Choice A)
The water in Solution 1 had a lower starting pH than the water in Solution 2.
(Choice B)
Hormones released in Solution 2 allowed it to maintain a higher pH.
(Choice C)
Sodium bicarbonate acted as a pH buffer in Solution 2.
(Choice D)
Sodium bicarbonate increases the temperature of a solution, which helped raise the pH of Solution 2.
Answers: 3
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Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?
Answers: 2
Biology, 22.06.2019 14:20, makaylahunt
Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae
Answers: 1
In an experiment, acid was added to two solutions:
Solution 1: distilled water only
Solution 1: distilled water only
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