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3 years ago

What is 5.0553 x 10^-4 in standard notation?

Chemistry

1 answer:

Talja [164]3 years ago

6 0

Answer:

0.00050553

Explanation:

when the power of ten is negative, move the decimal to the left

hope this helped!

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A population of wood mice lives in a cool, moist temperate forest. Several

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3 years ago

Convert the MCL of antimony from milligrams per liter to parts per billion (ppb).

Aleks [24]

This is an incomplete question, here is a complete question.

According to the EPA, the maximum contaminant level (MCL) of antimony in drinking water is 0.0060 mg/L.

Convert the MCL of antimony from milligrams per liter to parts per billion (ppb).

Answer : The maximum contaminant level (MCL) of antimony in drinking water in parts per billion is, 6 ppb

Explanation :

ppb : It is defined as the mass of solute present in per 1000 million $(10^{-9}g)$ of total mass.

1 ppb = $\frac{10^{-9}g\text{ of solute}}{1g\text{ of solution}}$

As we know that:

1 milligrams per liter = 1000 parts per billion

or,

1 mg/L = 1000 ppb

As, 1 mg/L = 1000 ppb

So, 0.0060 mg/L = $\frac{0.0060mg/L}{1mg/L}\times 1000\text{ ppb}$

= 6 ppb

Thus, the maximum contaminant level (MCL) of antimony in drinking water in parts per billion is, 6 ppb

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3 years ago