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Art [367]
3 years ago
9

The three main types of scientific investigations are descriptive, comparative, and experimental. Which components are

Chemistry
2 answers:
kirza4 [7]3 years ago
7 0
The components included in all three are a scientific question, a procedure, and a conclusion. A scientific question is used to identify the purpose of an experiment, which an investigation can be designed from. A procedure must be present in every experiment so that there is structure to every investigation. Conclusions are always present, because they summarize the results and outcomes of the experiment.
Marina86 [1]3 years ago
5 0

Answer:the abswe is a,d, and f

Explanation: the peson below couldve just said that thx have a good day:)

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For the diprotic weak acid h2a, ka1 = 3.2 × 10-6 and ka2 = 6.1 × 10-9. what is the ph of a 0.0650 m solution of h2a? what are th
Stolb23 [73]
Given:

Diprotic weak acid H2A:
 
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Ka2 = 6.1 x 10^-9. 
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Balanced chemical equation:

H2A ===> 2H+  + A2- 
0.0650       0        0
-x                2x       x
------------------------------
0.065 - x     2x      x

ka1 = 3.2 x 10^-6 = [2x]^2 * [x] / (0.065 - x)

solve for x and determine the concentration at equilibrium. 


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3 years ago
Difference between element and radical​
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Explanation:

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