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const2013 [10]
2 years ago
14

7. The picture below shows a girl with a widow's peak. Widow's peak She has a widow's peak because of her -​

Chemistry
2 answers:
Degger [83]2 years ago
5 0

Answer: D.

Explanation:looks right to me it’s for sure not A hope did helped

Akimi4 [234]2 years ago
3 0

Answer:

genes (c)

Explanation:

since traits are passed down genetically, so her mother or father must have one (or even one of her grandparents)

hope this helps!:)

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A pH scale reading 13 indicates a strong base.

Explanation:

From my understanding:

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Starting with the stock solution of 6.0 M, how many milliliters of 6.0 M sulfuric acid are needed to make 450 mL of 1.2 M soluti
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<u>Answer:</u> The volume of stock solution needed is 90 mL

<u>Explanation:</u>

To calculate the molarity of the diluted solution, we use the equation:

M_1V_1=M_2V_2

where,

M_1\text{ and }V_1 are the molarity and volume of the stock sulfuric acid solution

M_2\text{ and }V_2 are the molarity and volume of diluted sulfuric acid solution

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Putting values in above equation, we get:

6.0\times V_1=1.2\times 450\\\\V_1=\frac{1.2\times 450}{6.0}=90mL

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