Which of these structures is found in all types of plant and animal cells
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Answer:
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which of these structures is found in all types of plant and animal cells
- <u><em>Cell membrane is found in both animal and plant cells. </em></u>
- <u><em>Nucleus is found in both animal and plant cells. </em></u>
- <u><em>Cytoplasm is found in both animal and plant cells. </em></u>
- <u><em>Mitochondria is found in both animal and plant cells. </em></u>
- <u><em>Endoplasmic reticulum is found in both animal and plant cells. </em></u>
- <u><em>Golgi apparatus is found in both animal and plant cells. </em></u>
- <u><em>Lysosomes is found in both animal and plant cells.</em></u>
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1) As can be seen from any 1H NMR chemical shift ppm tables, hydrogens which have δ values from 2ppm to 2.3ppm are hydrogens from carbon which is bonded to a carbonyl group. From this, we can conclude that our hydrogens belong to the type, but from 2 different alkyl groups because of 2 different signals.
2) So, one alkyl group is CH3 and second one can be CH or CH2.
3) If we know that ratio between two types of hydrogens is 3:2, it can be concluded that second alkyl group is CH2.
4) Finally, we don't have any other signals and it indicates that part of the compound which continues on CH2 is exactly the same as the first part.
The ratio remains the same, 3:2 ie 6:4
<u>Answer:</u> The mass percent of hydrogen in methyl acetate is 8 %
<u>Explanation:</u>
The given chemical formula of methyl acetate is
To calculate the mass percentage of hydrogen in methyl acetate, we use the equation:
Mass of hydrogen = (6 × 1) = 6 g
Mass of methyl acetate = [(3 × 12) + (6 × 1) + (2 × 16)] = 74 g
Putting values in above equation, we get:
Hence, the mass percent of hydrogen in methyl acetate is 8 %