Post a New Question

physics

posted by .

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).

  • physics -

    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

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question