Respuesta :

1 kg ----- 1000 g
0.23 kg --- ?

0.23 x 1000 / 1 => 230 g 

molar mass SO2 = 64 g/mol

1 mole --------- 64 g
? mole -------- 230 g

230 x 1 / 64 => 3.593 moles

Answer:

[tex]3.60~mol~SO_2[/tex]

Explanation:

The first step is the conversion from Kg to g:

[tex]0.23~Kg~\frac{1000~g}{1~Kg} = 230~g~SO_2[/tex]

Then we have to calculate the molar mass of [tex]SO_2[/tex]:

[tex]O=~16~g/mol[/tex]

[tex]S=~32~g/mol[/tex]

[tex]SO_2=~(16x2)*(32*1)=~64g/mol[/tex]

[tex]1~mol~SO_2=~64~g~SO_2[/tex]

With the molar mass is possible to calculate the moles:

[tex]230~g~SO_2\frac{1~mol~SO_2}{64~g~SO_2} = 3.60~mol~SO_2[/tex]

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