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Semmy [17]
3 years ago
15

Which best explains why children often look like their parents? A) Traits, or characteristics, are passed on to offspring from p

arents. B) Before being born, characteristics of offspring are randomly formed. C) Babies begin to look like their parents as their features start to mature. D) Babies form physical features similar to people they are around most often.
Chemistry
2 answers:
Zolol [24]3 years ago
5 0
Hey’s I love I don’t mean that to me like that but you ain’t me
Nataliya [291]3 years ago
4 0

The answer is A, Those traits and charectaristic are inheirted or in other words passed on.

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Which of the following would have the lowest average kinetic energy?
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Discribe how to prepare 50.00mL of a 3.00M hydrochloric acid solution using 12.0 M HCl.
Leokris [45]

Answer:

The answer to your question is given below.

Explanation:

To prepare 50mL of 3M HCl, we must calculate the volume of the stock solution needed. This can obtained as follow:

Molarity of stock solution (M1) = 12M

Volume of stock solution needed (V1) =?

Molarity of diluted solution (M2) = 3M

Volume of diluted solution (V2) = 50mL

The volume of the stock solution needed can be obtained by using the dilution formula as shown below:

M1V1 = M2V2

12 x V1 = 3 x 50

Divide both side by 12

V1 = (3 x 50)/12

V1 = 12.5mL

The volume of the stock solution needed is 12.5mL

Therefore, to prepare 50mL of 3M HCl, we must measure 12.5mL of the stock solution i.e 12M HCl and then, add water to the mark in a 1L volumetric flask. Now we can measure out 50mL of the solution.

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Explanation:

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