50.0mL of rhubarb juice are titrated with 0.1000 M NaOH and 34.8mL of this NaOH solution are necessary for neutralization. Presuming the acidity of the juice is due to oxalic acid (a di-protic acid), H2C2O4 (90.04g/mol), Find out the weight of oxalic acid (in grams) per liter of juice.