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dimaraw [331]
3 years ago
5

A compound secreted by honeybees to paralyze intruders in their hive is known as 2-heptanone. The formula for this 2-heptanone c

ompound is CH3C4H8COCH3. How many atoms of each element are in one molecule of 2-heptanone?
Question 2 options:

4 carbon atoms, 11 hydrogen atoms, and 1 oxygen atom

7 carbon atoms, 14 hydrogen atoms, and 1 oxygen atom

7 carbon atoms, 11 hydrogen atoms, and 8 oxygen atoms

6 carbon atoms, 14 hydrogen atoms, and 3 oxygen atoms
Chemistry
2 answers:
Svetllana [295]3 years ago
7 0

Answer:

B

Explanation:

Sorry if wrong

vladimir1956 [14]3 years ago
6 0

Answer:It’s D, when you add up the atoms for carbon you get 6, and the only answer choice with 6 is D

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The RNA and DNA backbone differ because the DNA sugar is missing what element?
hammer [34]

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8. What volume (ml) of a 5.45 M lead nitrate solution must be diluted to 820.7 ml to make a
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212 ml of lead nitrate is required to prepare a dilute solution of 820.7 ml of lead nitrate.

Answer:

Option A.

Explanation:

Similar to Avagadro's law, there is another law termed as dilution law. As the product of volume and normality of the reactant is equal to the product of volume and normality of the product from the Avagadro's law. In dilution law, it will be as product of volume and concentration of the solute of the reactant is equal to the product of volume and concentration of solution.

C_{1} V_{1} =C_{2} V_{2}

So, as per the given question C1 = 5.45 M of lead nitrate and V1 has to be found. While C2 is 1.41 M of lead nitrate and V2 is 820.7 ml.

Then, (5.45*V_{1} ) = (820.7*1.41)

V_{1}=\frac{820.7*1.41}{5.45}=  212.33 ml

So nearly 212 ml of lead nitrate is required to prepare a dilute solution of 820.7 ml of lead nitrate.

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