Asked by Seth
How many mL of orange juice would be required to get the recommended daily allowance of 60 mg of vitamin C? (Concentration of vitamin C is .011 moles/L in 5.0 mL of juice).
Answers
Answered by
drwls
The concentration of 0.11 mole/l does not depend upon the volume. I am assuming that you did not intend to write that 5.0 mL of juice contains 0.011 moles of Vitamin C.
You are going to need the molecular weight of Vitamin C (ascorbic acid) to convert mole to mg.
The formula is C6H8O6, so the molecular weight is 176 g/mol.
0.011 moles/l = 1.936 g/liter
is the Vitamin C concentration in mass/volume units.
60 mg of juice presumably has a volume of 60 ml, since OJ is mostly water.
For 60 mg of vitamin C, the MDA is
(60*10^-3 g)/(1.936 g/liter) = 0.031 liter. That is only about one ounce.
I don't believe that number. Recheck your assumptions and typing.
For the MDA of 60 mg, you would require
You are going to need the molecular weight of Vitamin C (ascorbic acid) to convert mole to mg.
The formula is C6H8O6, so the molecular weight is 176 g/mol.
0.011 moles/l = 1.936 g/liter
is the Vitamin C concentration in mass/volume units.
60 mg of juice presumably has a volume of 60 ml, since OJ is mostly water.
For 60 mg of vitamin C, the MDA is
(60*10^-3 g)/(1.936 g/liter) = 0.031 liter. That is only about one ounce.
I don't believe that number. Recheck your assumptions and typing.
For the MDA of 60 mg, you would require
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