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jok3333 [9.3K]
3 years ago
14

Which quality can vary among atoms of the same element

Chemistry
1 answer:
Rashid [163]3 years ago
6 0
The mass number can vary
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A scientist is wondering why a certain region in the ocean doesn't have maximum phytoplankton growth, despite having plenty of n
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Answer:

C The water had adequate nitrogen and phosphorus, so it is likely iron limited.

Explanation:

Phytoplankton are single- cell organisms that live in oceans.

They require nitrogen, phosphorus and trace amount of iron to survive.

From the scientist's results after testing the water for nitrogen and phosphorus,there are reasonable amount of these elements.

Therefore insufficient iron in the water is the reason why he could find plenty phytoplankton in the ocean.

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3 years ago
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pH = 7.01

Explanation:

The pH can be calculated using the formula:

pH = -log[H⁺]

In this formula, [H⁺] represents the concentration of H⁺. Since you have been given this value, you can easily find the pH.

pH = -log[H⁺]

pH = -log[9.71 x 10⁻⁸]

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