emilyask

16.07.2019 • 

Biology

15 points! ! cindy hypothesizes that if she adds salt to a weak acid, then its ph will be lowered. she develops the following experiment to test her hypothesis. which of the following steps could compromise the validity of her experiment? fill two beakers with 50 ml of the same weak acid. add salt to the first beaker. add water to the second beaker. measure the ph of the solution in each beaker. a.) step 1 b.) step 2 c.) step 3 d.) step

Ответ:

MayFlowers

31.05.2020

Biology

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C. Step 3. Instead of adding water, she should have just left the acid without salt. Hope this helped! 

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Ответ:

brenda2512

23.02.2023

Biology

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6 is false
7 is D
8 is C
And 9 is A, im not sure about number 4 and from the angles taken I cannot see the answers to number 5 and number 10

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