Seudónimo Seudónimo
  • 10-03-2021
  • Chemistry
contestada

You have a 9.51 mol sample of an
unknown element. If the sample has a mass
of 1157.9376 g, what element is this?

Respuesta :

lawalj99 lawalj99
  • 19-03-2021

Answer:

Antimony

Explanation:

Number of moles = 9.51 mol

Mass= 1157.9376 g

The identity of an element is obtained from it's Molar mass.

This is given by the equation;

Molar mass = Mass / Number of moles

Molar mass = 1157.9376 g / 9.51 mol

Molar mass = 121.76

The only element with molar mass of 121.76 is Antimony

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