Answered

At Westonci.ca, we connect you with experts who provide detailed answers to your most pressing questions. Start exploring now! Get quick and reliable solutions to your questions from a community of experienced professionals on our platform. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

21) What is the percent by mass of bromine in the compound MgBr₂?
A) 13.2%
B) 43.4%
C) 56.6%
D) 86.8%

Sagot :

Answer:

D  86.8%

Explanation:

Two bromines mole wt = 2 * 79.9 = 159.8 gm  (from periodic table)

Mg = 24.3  gm

159.8 / ( 159.8 + 24.3)  = .868 = 86.8 %

We hope this information was helpful. Feel free to return anytime for more answers to your questions and concerns. Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. Thank you for trusting Westonci.ca. Don't forget to revisit us for more accurate and insightful answers.