Question

Cuantos gramos de h²so⁴ se necesita para preparat360g al 66porciento

Answer 1

%m/m = m soluto  x  100
             ``````````````
               m solc.

m soluto = 66 g/g  x  360 g
                 ```````````````````````
                        100

m soluto = 237.6 g de H2SO4