Question

Se da urmatoarea formula chimica:H2SO4 (acid sulfuric)
1.Calculati compozitia procentuala.URGENT!

Answer 1

$M_{H2SO4}=2*1+32+16*4=98 g/mol$
98g H2SO4......2g H2.......32g S......64g O2
100g H2SO4.....xg H2.......yg S.......zg O2
x=100·2/98=2,04 g H2⇒2,04% H2
y=100·32/98=32,65 G S⇒32,65% S
z=100·64/98=65,3 g O2⇒65,3% O2