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kumpel [21]
2 years ago
9

A copper rod takes up 75 mL of space. With a density of 8.96 g/mL, what is the mass of the rod

Chemistry
1 answer:
pantera1 [17]2 years ago
5 0
5.73 is the mass of the rod
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What is the hydrogen ion concentration of a solution with pH=8.25 ?
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Answer:

The answer is

<h2>5.62 \times  {10}^{ - 9} \:  M</h2>

Explanation:

The pH of a solution can be found by using the formula

pH =  -  log( {H}^{ + } )

where

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From the question

pH = 8.25

The hydrogen ion concentration of the solution is

8.25 =  -  log( {H}^{ + } )

<u>Find antilog of both sides</u>

That's

{H}^{ + }  =  {10}^{ - 8.25}  \\  = 5.62 \times  {10}^{ - 9} \:  M

We have the final answer as

5.62 \times  {10}^{ - 9} \:  M \\

Hope this helps you

5 0
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