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3 years ago

The graphic shows nutrient loss in millions of metric tons per year in the United States.

Chemistry

1 answer:

tia_tia [17]3 years ago

3 0

Annually 126.0 million metric tons of soil nutrients are lost.

Explanation:

By the given data we can identify the loss of soil nutrients in the United States. In the first year, a total of 1.0 million soil nutrients are lost.
After that in the second year, the loss has doubled. 10.0 million metric tons of soil nutrients are lost.
In the third year, 16.0 million soil nutrients are lost in the US.
In the final year, 90.0 million soil nutrients are lost. It is a very huge loss. By calculating all the above , a total 126.0 million of soil nutrients in the US are lost annually.

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To prepare an acetic acid/acetate buffer, a technician mixes 30.6 mL of 0.0880 acetic acid and 21.6 mL of 0.110 sodium acetate i

enyata [817]

Answer: There are 0.00269 moles of acetic acid in buffer.

Explanation:

To calculate the number of moles for given molarity, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Moles of solute}\times 1000}{\text{Volume of solution in ml}}$ .....(1)

Molarity of acetic acid solution = 0.0880 M

Volume of solution = 30.6 mL

Putting values in equation 1, we get:

$0.0880M=\frac{\text{Moles of acetic acid}\times 1000}{30.6ml}\\\\\text{Moles of acetic acid}=\frac{0.0880\times 30.6}{1000}=0.00269mol$

Thus there are 0.00269 moles of acetic acid in buffer.

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2 years ago

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taurus [48]

Answer:

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3 years ago

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Sati [7]

Answer:

Explanation:

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NNADVOKAT [17]

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Answer:

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Explanation:

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2 years ago