musaamisi8 musaamisi8
  • 04-02-2020
  • Chemistry
contestada

What is the number of moles in 4.00 g of magnesium oxide,MgO?

Respuesta :

ednorobello92 ednorobello92
  • 04-02-2020

Answer: 0.1 mole MgO

Explanation: 1 mole of MgO is equal to its molar mass.

4.00 MgO x 1 mole MgO/ 40g MgO

= 0.1 mole MgO

Answer Link
bacchusella04
bacchusella04 bacchusella04
  • 04-02-2020
moles= mass/rfm
MgO 16+24=40
4/40
moles= 0.1
Answer Link

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