👤

Sagot :

Cm = m / V -> m = 17,2 ; V = 200 mL -> 0,2 L
S1 = 17,2 / 0,2 = 86 g/L
S2 = 3,2 / 0,1 = 32 g/L
S3 = 750 mg = 0,75 g ; 50 mL = 0,05 L
= 0,75 / 0,05 = 15 g/L

© 2024 IDNLearn. All rights reserved.