serenahj7
serenahj7 serenahj7
  • 08-11-2019
  • Chemistry
contestada

how many moles are 35 g of PCI3

Respuesta :

Neetoo
Neetoo Neetoo
  • 20-11-2019

Answer:

Number of moles = 0.3 mol

Explanation:

Given data:

Mass of PCl₃ = 35 g

Moles of PCl₃ = ?

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass = 35.5×3 + 31

Molar mass = 137.5 g/mol

Number of moles = mass/molar mass

Number of moles = 35 g / 137.5 g/mol

Number of moles = 0.3 mol

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