20010000 20010000

15-01-2021
Chemistry

contestada

A 15.33 g sample of magnesium oxide is found to contain 12.67 g of magnesium. What is the percent (by mass) composition of the magnesium in the compound?

Respuesta :

15-01-2021

12.67 g / 15.33 g x 100 % = 82.64% Magnesium (Mg)

Answer Link

Otras preguntas

Determine the effect that hydrogen bonding has on the physical properties of water.

how taxation and legislation impact positive and negative to the african bank

What is the function of an exoskeleton? A.) To enclose the body from the inside. B.) To enclose the body from the outside. C.) To enclose the internal skeleto

An object is dropped from a height of 25 meters. At what velocity will it hit the ground? A. 7.0 meters/second B. 11 meters/second C. 22 meters/second D. 49

Which of these is an example of structural protein in plants? A.) Chitin B.) Lignin C.) Keratin

Which phrase accurately describes a distribution that's bell-shaped but not symmetric? A.) a normal distribution B.) a skewed distribution C.) a linear distribu

Select the correct inference of the given passage from "The Cask of Amontillado." "The nitre!" I said; "see, it increases. It hangs like moss upon the vaults.

Which of the following is a characteristic of the Ascomycota? A. Zygospore formation B. Basidium formation C. Sac formation

Which of the following areas borders the Pacific Ocean and has a Mediterranean-style climate? A.) British Columbia B.) northern Oregon C.) southern California

Which culture is MOST closely associated with seafaring, trading, and establishing colonies on other continents that border the Mediterranean Sea? A.) Phoenicia