Question

Calculeaza volumul solutiei de acid sulfuric 98% (p=1,84 g/mL) ce contine 40 g acid sulfuric pur.
Am nevoie de ajutor!!!!

Answer 1

calculez masa de solutie

c=mdx100/ms---> ms= 40x100/98g=40,8 g

calculez volumul, din densitate

ro=m/V---> V= 40,8g/ 1,84g/ml= 22,2 ml