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2 years ago

Fish-liver oil is a good source of vitamin A, whose concentration is measured spectrometrically at a wavelength of 329 nm.

1 answer:

muminat2 years ago

3 0

Fish oil usually contains some vitamin A and D. It's important to note that the types of omega-3s found in fish oil have greater health benefits than the omega-3s found in some plant sources.

<h3>What type of vitamin A is in fish liver oil?</h3>

The vitamin A in fish oil is the same as the synthetic vitamin A in most supplements -- retinyl palmitate, so it doesn't matter which you use. Cod liver oil tends to cost more but can provide significant amounts of vitamins D and E as well as omega-3 fatty acids (EPA and DHA).

<h3>What are the vitamin concentrates found in fish liver oils?</h3>

The fortified product provided daily 130 mg of eicosapentaenoic acid and 200 mg of docosahexaenoic acid (EPA and DHA, two fatty acids in ), small amounts of supplemental vitamin E, folic acid, and vitamin B6, and additional amounts of oleic acid and alpha-linolenic acid.

Learn more about vitamins in fish here:

<h3>brainly.com/question/2194425</h3><h3 /><h3>#SPJ4</h3>

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3 years ago

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3 years ago

Convert 15.2 moles of K to atoms of K.

choli [55]

Answer:

$\boxed {\boxed {\sf 9.15*10^{24} \ atoms \ K}}$

Explanation:

To convert atoms to moles, Avogadro's Number must be used: 6.022*10²³.

This tells us the amount of particles (atoms, molecules, etc.) in 1 mole of a substance. In this case it is the atoms of potassium. We can create a ratio.

$\frac {6.022*10^{23} \ atoms \ K }{ 1 \ mol \ K }$

Multiply by the given number of moles: 15.2

$15.2 \ mol \ K *\frac {6.022*10^{23} \ atoms \ K }{ 1 \ mol \ K }$

The moles of potassium cancel.

$15.2 *\frac {6.022*10^{23} \ atoms \ K }{ 1 }$

The denominator of 1 can be ignored.

$15.2 * {6.022*10^{23} \ atoms \ K }{$

Multiply.

$9.15344*10^{24} \ atoms \ K$

The original measurement of moles has 3 significant figures, so our answer must have the same. For the number we calculated that is the hundredth place. The 3 in the thousandth place tells us to leave 5.

$9.15*10^{24} \ atoms \ K$