Respuesta :

Explanation:

n=m/M

m=n*M

m=5,09 mol * 54,9g/mol

m= 279,4g

Solution:

[tex]\text{mass of Mn = 5.09 mol Mn} × \frac{\text{54.94 g Mn}}{\text{1 mol Mn}}[/tex]

[tex]\boxed{\text{mass of Mn = 279.6 g}}[/tex]

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