Exercice 1 On peut effectuer des injections de solution aqueuse de fruct
lévulose de formule C, H,O, ,
Pour
prévenir la déshydratation de telles solutions sont obtenu
dissolvant une masse m = 25g de fructose pour un volume de 50
solution finale.
1.1 Calculer la masse molaire moléculaire de fructose
1.2 Déterminer la quantité de matière de fructose correspondante
1.3 Calculer la concentration molaire de ces solutions en fructose
1.4

Injections of aqueous solution of fruct

levulose of formula C, H, O,,

For

prevent dehydration such solutions are obtained

dissolving a mass m = 25g of fructose for a volume of 50

final solution.

1.1 Calculate the molecular molar mass of fructose

1.2 Determine the amount of corresponding fructose material

1.3 Calculate the molar concentration of these fructose solutions

1.4

what type of charge does it have? negative

report!

explanation:

physics means: "the branch of science concerned with the nature and properties of matter and energy. the subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."