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

Seven identical bowling balls weigh the same as four identical canoes. If three of the canoes weigh a total of 84 pounds, how many pounds does one of the bowlin

What characteristic would help you classify an organism as a plant

SECTION 3 Question 9 - Find the value of x : 10 cm x cm 2x cm

Find all solutions of the given system of equations and check your answer graphically. HINT [See Examples 1-4.] (If there is no solution, enter NO SOLUTION. If

What did Democrats indicate was the greatest threat to American nationalism?

A bus company requires 4 buses and 8 vans to take 240 school children to the library. It requires 2 buses and 9 vans to take 170 children to the museum. Calcula

Which cosine ratios are correct for APQR? Check all that apply cos (P) = cos (P) = 9 cos (Q) = P ) Intro Done

Can u please find the length of BC round to the nearest tenth

Mendel’s finding that the inheritance of one trait had no effect on the inheritance of another became known as the law of separate convenience. law of universal

when one form of energy is converted into another what is the name of that