naidat01 naidat01

08-06-2020
Chemistry

contestada

Calculate the number of moles of MgO if the mass of MgO (magnesium oxide) is 50 g?

Please help... I will mark the answer with brainlist...

Respuesta :

enasyazzs enasyazzs

08-06-2020

Answer:

1.24mol

Explanation:

m(MgO)=50g

molar mass=40.30g/mol (i search in google coz dosnt have book)

n=mass/molar mass

=50/40.30

=1.24mol

Answer Link

Otras preguntas

You roll a 6-sided die with faces numbered 1 through 6, and toss a coin. What is the probability of rolling a 2 or getting heads? A.1/6 b. 5/12 c. 2/3 d. 1/12

Which word represents the subject of this sentence? "I'm just inviting you to join me in my uncertainty." Question 2 options: 1) me 2) you 3) my 4) I

For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation?

Which of the following represents the most accurate estimation of 375+147

To complete tasks quickly and efficiently, an operating system has many special software components that are known as A. processes. B. scripts. C. routines. D.

In an earthquake, a P wave is a longitudinal wave. It moves through soil and rock as a A. wavy line. B. series of faults. C. series of compressions and rarefa

Orlando bought a new couch for $2,904, using the furniture store's finance plan. He will pay $121 a month for 24 months. Which equation can Orlando use to find

Jefferson's administration was the beginning of popular government in the United States. True False

Which of the following countries was not in competition for Korea in the 1870s? a. Japan c. Russia b. China d. England

Select the items that are marks of realism. attention to detail actions all have clear causes love of nature highly emotional believable situations far-off sett