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vivado [14]
3 years ago
10

Which of the following is an example of an observation?

Chemistry
1 answer:
Bess [88]3 years ago
8 0
THE ANSWER TO THE QUESTION IS A
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40 cm3 of acid were mixed with 60 cm3 of alkali in an insulated container. What name is given to this type of reaction?
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What is the pH of a solution with a concentration of 4.7 × 10-4 molar H3O+?
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The pH of a liquid substance is calculated through the equation,
                                       pH = -log[H3O+]
Substituting the given concentration of the hydronium ion to the equation above,
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The value of pH is equal to 3.33. Thus, the pH of the solution is approximately 3.33. 
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Mass can be created and destroyed.
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