3 years ago

I’ve been struggling could someone help ?

Chemistry

1 answer:

Svetllana [295]3 years ago

4 0

Answer:

Telophase

Explanation:

During telophase, a nuclear membrane forms around each set of chromosomes to separate the nuclear DNA from the cytoplasm.

I hope this helps! (If not, I am very sorry!)

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2. The Food and Drug Administration (FDA) mandates that all vinegar sold in the United States must have a minimum concentration

Scilla [17]

Answer:

The minimum molarity of acetic acid in vinegar according to given standards is 0.6660 mol/L.

Explanation:

4% acetic acid by mass means that 4 gram of acetic acid in 100 g solution.

Given that density of the vinegar is same is that of water = 1 g/mL

Mass of the vinegar solution = 100 g

Volume of the vinegar solution = V

$Density=\frac{Mass}{Volume}$

$1 g/mL=\frac{100 g}{V}$

V = 100 mL = 0.1 L

Moles of acetic acid = $\frac{4 g}{60.052 g/mol}=0.0666 mol$

$Molarity=\frac{\text{Moles of solute}}{\text{Volume of solution(L)}}$

$M=\frac{0.0666 mol}{0.1 L}=0.6660 mol/L$

The minimum molarity of acetic acid in vinegar according to given standards is 0.6660 mol/L.

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3 years ago

Help anyone can help me do this question,I will mark brainlest.

Anettt [7]

Answer:

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Explanation:

if you used the transformation equation you would end up with 12 grams

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Mud has alot of water so it's easier for them to live in.

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Vedmedyk [2.9K]

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explanation

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