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3 years ago

6

If you are planning a road trip from Orlando Florida to Miami Florida which of the following units would be best to measure the

distance

1 answer:

docker41 [41]3 years ago

8 0

Miles if that is one of the options

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Ierofanga [76]

Answer:

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Explanation:

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3 years ago

Safurared Solution changes into Unsaturated<br>by heating

natima [27]

Answer:

Yes it is because heating expands molecules of solution which helps to form a solution as it acts as solvent solution.

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2 years ago

If 45 mL of water are added to 250 mL of a 0.75 M K2SO4 solution, what will the molarity of the diluted solution be?

krok68 [10]

Answer:

$\large\boxed{\large\boxed{0.64M}}$

Explanation:

When you form a <em>diluted solution</em> from a mother (concentrated) solution, the moles of solute are determined by the mother solution.

The main equation is:

$Molarity=\dfrac{\text{moles of solute}}{\text{volume of the solution in liters}}$

Then, since the moles of solute is the same for both the mother solution and the diluted solution:

$\text{Molarity mother solution }\times\text{ volume mother solution}=\\\\=\text{Molarity diluted solution }\times\text{ volume diluted solution}$

Substitute and solve for the molarity of the diluted solution:

$250mL\times 0.75M=(45mL+250mL)\times M\\\\\\M=\dfrac{250mL\times 0.75M}{295mL}=0.64M$

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3 years ago

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Alex17521 [72]

Explanation:

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2 years ago

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