Exercice 1 Une soupe du commerce contient du sel à la concentration en masse Cm = 9,8 g. L.

1.1. Quelle masse m de sel contient un bol de soupe de volume V = 380 mL ?

1.2. La dose maximale de sel recommandée par jour est 5 g. Cette soupe est-elle trop
salée ?

Exercice 2

Manon se prépare un thé avec deux morceaux de sucre.

Calculer la concentration en masse Cm de sucre dans le thé.

Données
- Masse d'un morceau de sucre:m = 6g
- Volume de thé : V = 250 mL.

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

Who was the first scientist to measure speed as distance over time?

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.