Question

calculate mass and volume when zn reacts with h2so4 gives 50gm of znso4 ​

Answer 1

Zn+H2SO4=ZnSO4+H2

50g

molar mass of ZnSO4=161.47g

moles of ZnSO4=given gm mass/molar mass

=50/161.47

=0.3(approx.)

according to equation ,

one mole of Zn reacts with one mole of H2SO4 to give one mole of ZnSO4 and one mole of H2

therefore moles of Zn= 0.3

mass of Zn= moles*molar mass

= 0.3 *65.38

= 19.616g