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

Otras preguntas

what is a central idea ?
PLEASE I NEED ANSWER BY 7:40!!!!!!! 1. Two students were discussing the color of a blue paper. Student A said, The paper looks blue because the paper reflects
what is the resolution war about?
List one change in bug morphology that you would reasonably expect in bug populations that have been living on golden rain trees.
Evaluate the expression 3× 2t if t equals 4
Given the points (-9, 8) and (4, -1), find the rate of change between the points
Chad works 10 hours a week and earns $5 an hour. He saved his earnings for 2 weeks and then spent $75. How much did he have left
Match the graph with the correct set of equations for the linear system. Then, classify the system as Consistent and Dependent, Consistent and Independent, or I
Which is larger? 7/10 or .67?
what is the trophic level of common Prawn? primary,secondary,or tertiary consumer?