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

who won the Super Bowl in 1999

Why did most volunteers stay to defend the alamo when they knew it meant almost certain death?

What is the volume of the prism that can be constructed from this net?

which rain forest is located mostly on islands

why is a square always symmetrical

Which of these is an example of a random sample? A.Every twentieth caller to an independent radio station receives tickets to a concert. B.Customers buying a ne

Give an example of a situation in which you would describe an object’s position in: a. one dimension b. two dimensions c. three dimensions

CAN ANYONE PLEASE HELP!!!!! How has Greek culture influenced American culture???WRITE 3 REASONS HOW.

More Help on math questions? 1. Find the least common multiple of 8 and 12. 2. Write a reduced fraction equal to 60% 3. A cup is 8 ounces. How many ounces is 3/

Why was Brian traveling in a bushplane?