KeeleeY68454 KeeleeY68454
  • 28-10-2022
  • Chemistry
contestada

calcular la masa molar de hidróxido plúmbico

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MaidenU764570 MaidenU764570
  • 28-10-2022

La fórmula molecular del hidróxido plúmbico es:

[tex]Pb(OH)_4.[/tex]

En la tabla periódica, el plomo (Pb) tiene masa molar de 207.2 u, el oxígeno de 16 u y el hidrógeno de 1 u.

Tenemos que multiplicar las moles de cada uno por su masa molar y luego sumar todo. El plomo tiene 1 mol mientras que el oxígeno e hidrógeno tienen 4. El cálculo se hace así:

[tex]207.2\cdot1+16\cdot4+1\cdot4=207.2+64+4=275.2uPb(OH)_4.[/tex]

La masa molar del hidróxido plúmbico es de 275.2 u (g/mol).

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