jaimeemarie22 jaimeemarie22
  • 24-09-2019
  • Chemistry
contestada

How many moles of Al(CN)3 are in 251 g of the compound?

Respuesta :

Neetoo
Neetoo Neetoo
  • 01-10-2019

Answer:

251 g of compound contain 2.39 moles.

Explanation:

Given data:

mass of compound Al(CN)3 = 251 g

moles = ?

Solution:

First of all we will calculate the molar mass of given compound.

molar mass of Al(CN)3 = 26.98 + (26 × 3)

molar mass of Al(CN)3 = 105 g/mol

Formula:

number of moles = mass/ molar mass

number of moles = 251 g / 105 g/mol

number of moles = 2.39 mole

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