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ohaa [14]
3 years ago
10

Obtain 2 test tubes. 2. Add 2 mL of animal blood plasma into the first test tube a. Use a pH test strip to measure the pH of the

blood plasma. ______
Chemistry
1 answer:
Dominik [7]3 years ago
4 0

Answer:

7.4

Explanation:

Plasma proteins are part of the buffer systems of blood plasma. Plasma contains both positively and negatively charged amino and carboxyl groups. These compounds' charged portions can attract and link hydrogen(H) and hydroxyl ions(OH-), therefore act as buffers.

Plasma serves as a weak and ineffective buffer. The pH of a buffer should always be around 7.4 which is nearly neutral. As such we may deduce from the first experimental observation that there is no change in pH.

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The world's largest importer of fish products is:
mylen [45]

Answer:

A. Japan

Explanation:

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3 years ago
Discuss how to separate a mixture of iron fillings, salt, sand, and wood chips.
dexar [7]
<span>Wrap a magnet in plastic lunch wrap and move it through the mixture of the three solids. The iron filings will stick to the magnet. The filings can be removed by unwrapping the plastic from the magnet carefully! Mix the remaining salt and sand in water and stir.</span>
3 0
4 years ago
The solubility of acetanilide in hot water (5.5 g/100 ml at 100∘C) is not very great, and its solubility in cold water (0.53 g/
Olin [163]

Answer:

89.4%

Explanation:

Initially, there is 5.0 of the acetanilide in 100 mL of water, then the solution is chilled at 0ºC. The solubility represents the amount that the solvent (water) can dissolve of the solute (acetanilide). So, at 0ºC, 100 mL of water can dissolve till 0.53 g of the compound, the rest will precipitate and will be recovered.

So, the mass that is recovered is 5.0 - 0.53 = 4.47 g

The percent recovery is:

(4.47/5)x100% = 89.4%

8 0
4 years ago
How many moles are there in 3.01 x 1024 atoms of argon?
Ahat [919]

Answer:

Try this for answer 3082.24

6 0
3 years ago
NEED HELP PLEASE ASAP
Elenna [48]

Answer:

Sugar aka Glucose

Explanation:

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Hope this helped! Stay safe and good luck!

7 0
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