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**MagicMarker** If I add 10mL of Apple Juice to 100mL of Water, what is the concentration?

Assume that the density of the Apple Juice is 1g/mL.

If I add 10mL of Orange Juice to 100mL of Water, what is the concentration?

Assume that the density of the Orange Juice is 2.02g/mL.

What is the concentration:

1) as a percent (ie. X% of Apple Juice; Y% of Orange Juice)

2) in the units g/L (ie. Xg/L of Apple Juice; Yg/L Orange Juice)

I'm not really sure how I would figure out these problems.

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I know that if I added 5mL of Apple Juice to 1000mL (1L) of Water, I would get 0.49%.

Density of the Apple Juice = 1g/mL

5mL + 1000mL = 1005 mL of solution

5g in 1005mL (solution)

X in 100mL (solution)

5 x 100 / 1005 = 0.49% (as weight/volume)

I'm struggling to find a way to apply this working out with the above two problems.

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Any help is much appreciated.

Thank you!