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agasfer [191]
3 years ago
7

What is the difference between a sea and an ocean

Chemistry
1 answer:
IceJOKER [234]3 years ago
8 0

Seas are smaller than oceans. Oceans are where land and water meet, and are usually bigger.

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About 6 × 109 g of gold is thought to be dissolved in the oceans of the world. If the total volume of the oceans is 1.5 × 1021 L
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First, determine the number of moles of gold.

Number of moles  = \frac{given mass in g}{molar mass}

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Number of moles of gold  = \frac{6 \times 10^{9} g}{196.97 g/mol}

= 0.03046\times  10^{9} mole or 3.046\times  10^{7} moles

Now, molarity  = \frac{moles of solute}{volume of the solution in liters}

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= 2.03\times 10^{-14} M

Thus, average molar concentration = 2.03\times 10^{-14} M




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3 years ago
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