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Ann [662]
3 years ago
12

What is the pH of water? A. 7 O B. 1 x 107 O C. -7 D. 1 x 107

Chemistry
1 answer:
Mice21 [21]3 years ago
8 0

Answer:

A:7

Explanation:

Hopefully this helps

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in digital signals, codes are used while in analogue signals do not use signals.

<h3>What are signals?</h3>

Signals are defined as the instructions which are transferred to another source in other to deliver a message.

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The digital signals uses codes which is a secret way of sending messages while analogue doesn't use codes.

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Explanation:

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3 years ago
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If one mole of a substance has a mass of 56.0 g, what is the mass of 11 nanomoles of the substance? Express your answer in nanog
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Answer:

616,0 ng is the right answer.

Explanation:

You should know that 1 mole = 1 .10^9 nanomoles

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What does the interquartile range represent?
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3 years ago
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