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

Find the measure of the supplement of the angle. 62° Enter your answer in the box

How do I do this. I have no idea.

wat is 1.5 kilograms in grams

The lead of a news story is found in the middle of a news story True False

The darker shadow of an eclipse is called the penumbra. True False

Visual aids should be used in expository presentation A. as the center point of the presentation. B. to supplement the presentation. C. as a means of keeping

Which of the following equations is written in standard form ? A. 2.5x+3=12 B. -10x-3=1 C. 2x+3=12 D. 5x+5y=10

help me plz i dont get this at all :(

The author chose to tell this story from the perspective of children, rather than adults. Is this strategy effective for recounting the story of the injustice d

Rotational Dynamics Physics Help please.