Question

peso molecular y formula correcta de acido sulfurico, hidroxido de sodio y cloruro de potasio

Answer 1

a) ácido sulfúrico: H2SO4

SO3 + H2O → H2SO4

Mm

H: 2 x  1 = 2 g/mol
S: 1 x 32 = 32 g/mol
O: 4 x 16 = 64 g/mol
````````````````````````````
         Mm = 98 g/mol

b) hidróxido de sodio: NaOH
Mm
Na: 1 x 23 = 23 g/mol
 O: 1 x 16 = 16 g/mol
 H: 1 x  1 = 1 g/mol
```````````````````````````````
         Mm = 40 g/mol

c) KCl fórmula del cloruro de potasio

Mm
 K: 1 x  39 = 39 g/mol
Cl: 1 x 35.5 = 35.5 g/mol
``````````````````````````````````````
        Mm = 74.5 g/mol