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

04-02-2020

moles= mass/rfm
MgO 16+24=40
4/40
moles= 0.1

Answer Link

Otras preguntas

Name the Central Powers country and the Allied country that spent the most money on the war. Allied: Russia; Central Powers: Germany Allied: the United Kingdom

Suppose you choose a marble from a bag containing 6 red marbles , 2 white marbles and 5 blue marbles you return the first marble to the bag and then you choose

Please answer these two! Thank you so much!!

What account is credited when overhead cost is applied to work in process? would you expect the amount applied for a period to equal the actual overhead costs o

Do you think it should be mandatory for teenagers to have the HPV vaccine? Explain your answer.Why do you think some parents are hesitant to get their children

helpppp meeee please I can’t fail

listen yo the first stanza. What can y. ou tell about the young mans attitude toward the young man?

Number 13 pleaseeeeeee

write 22 4/5 as a decimal

The ratio of boys to girls in a school in 2:3. What fraction of the school are girls?