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Rus_ich [418]
3 years ago
10

An average human being has about 5.0 L of blood in his or her body. If an average person were to eat 32.0 g of sugar (sucrose, C

12H22O11, 342.30 g/mol), and all that sugar were dissolved into the bloodstream, how would the molarity of the blood sugar change?
Business
1 answer:
Black_prince [1.1K]3 years ago
6 0

Answer: The change in molarity of blood is 0.0187 mol/L

Explanation:

The equation for molarity is given as:

M = m/V

where M is molarity (mol/L)

m = number of moles of solute

V = volume of solvent (Liters)

First step: Determine the number of moles in a specific mass

32g sugar (sucrose: C12H22O11) is dissolved in a 5L of blood.

In order to get the number of moles in a specific mass, divide the number of grams per mole into the size of the sample i.e 32g/(342.30 g/mol) = 0.0935 mol

Second step: Determine the change in molarity of blood sugar.

M = m/V

M = 0.0935 mol /5 L

M = 0.0187 mol/L

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Bradley currently has a Visa card from his bank with the following terms: 21 percent on purchases, 25 percent on cash advances w
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Complete question:

Bradley currently has a Visa card from his bank with the following terms: 21 percent on purchases, 25 percent on cash advances with a 3 percent cash advance fee on the amount, and a default or penalty rate of 33 percent. His current statement shows a balance of $9,000. Lately, he has been having a hard time paying more than the minimum payment of 3 percent of his balance.

What is Bradley's minimum payment?

A) $158

B) $189

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Answer:

Bradley's minimum payment is (C) $270.

<h3>What is the percentage?</h3>
  • A percentage is a fraction of a whole expressed as a number between 0 and 100.
  • Nothing is zero percent, everything is 100 percent, half of everything is fifty percent, and nothing is zero percent.
  • To calculate a percentage, divide the share of the total by the total and multiply by 100.
<h3>Solution -</h3>

Given - 21 percent on purchases, 25 percent on cash advances with a 3 percent cash advance fee on the amount, and a default or penalty rate of 33 percent. His current statement shows a balance of $9,000. Her minimum payment is 3 percent of the balance.

So, to find the minimum payment find 3% of $9000.

3% of $9,000 = $270.

Therefore, Bradley's minimum payment is (C) $270.

Know more about percentages here:

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