One cup(236ml)of freshly squeezed orange juice contains 120mg of vitamin.with the formula (c6h8o8).what is the concentration of vitamin c in orange juice when expressed in the following unit, mg/dL, ppm and molarity
Answers
Answered by
0
in mg/dL
120mg/2.36dL = 50.84mg/dL
in ppm
50.84 × 10^6 ppm
in molarity
no. of moles = 128× 10^-3 / 208 mole = 0.57 × 10^-3
volume = 236 × 10^-3 litre
Molarity = moles / volume in litre
= 0.57 / 236 = 0.002 M or 2milliMolar
Similar questions