The most abundant element in seawater is chlorine. Seawater contains 19,000 mg of chlorine per liter. How do you calculate this as kilograms per cubic meter?

Answer 1

The concentration is #"19 kg/m"^3#.

Convert milligrams to kilograms in step 1.

#"19 000" color(red)(cancel(color(black)("mg"))) × (1 color(red)(cancel(color(black)("g"))))/(1000 color(red)(cancel(color(black)("mg")))) × "1 kg"/(1000 color(red)(cancel(color(black)("g")))) = "0.019 kg"#

Step 2: Measure out cubic meters in liters.

#1 color(red)(cancel(color(black)("L"))) × ("1 m"^3)/(1000 color(red)(cancel(color(black)("L")))) = "0.001 m"^3#

Determine the new concentration in step three.

#"19 000 mg"/"1 L" = "0.019 kg"/("0.001 m"^3) = "19 kg/m"^3#
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Answer 2

To calculate the concentration of chlorine in seawater from milligrams per liter to kilograms per cubic meter, you need to convert the units:

1 liter = 0.001 cubic meters 1 kilogram = 1,000,000 milligrams

So, to convert 19,000 mg/L to kg/m³:

(19,000 mg/L) * (1 kg / 1,000,000 mg) * (1 L / 0.001 m³) = 19 kg/m³

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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