ssuereichard
16.02.2021 •
Chemistry
What is the percent composition by mass of oxygen in
magnesium oxide, MgO?
(Molar mass of MgO = 40.3 g/mol)
%
Your answer should be rounded to three significant figures. Do not include units
In your answer.
Solved
Show answers
More tips
- C Cities and Countries Which Country has the Most Expensive Visa?...
- F Family and Home Tender Care for Your Parquet: Is it Possible to Clean Parquet?...
- S Society and Politics Is It Fact or Fiction? Let s Talk About Anton Chekhov s Pseudonym...
- S Sport Playing Bowling: Rules and Advice for Novices...
- C Computers and Internet How to Properly Repartition a Hard Drive?...
- A Auto and Moto What Is the Cost of Customs Clearance for a Car in Russia?...
- L Leisure and Entertainment Should You Buy a Ceramic Knife?...
- C Computers and Internet How to easily and quickly disable Firebug in Gmail and Google Docs...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
Answers on questions: Chemistry
- C Chemistry How many electrons are in orbitals related to the third energy level of a sulfur atim...
- B Biology Which one of the following is TRUE? A. Enzymes are the products in a chemical reaction. B. Enzymes functions require inhibitors. C. Enzymes are the reactants in a chemical reaction....
- C Chemistry What is true of a covalent bond? it is the electrostatic attraction between oppositely charged particles it is the sharing of electrons by overlapping orbitals it involves the exchange...
- B Biology Which of the following is the correct order for the steps of scientific inquiry? a. observe, question, hypothesize, analyze, experiment, formulate a conclusion b. question, observe,...
- M Mathematics You are planning a trip to Hawail and need to select a group of 4 from 10 shirts to bring with you. In how many ways can you select the 4 of the 10 shirts?...
- M Mathematics Which number is missing from the table of equal ratios? Distance Walked (ml) 2 4 6 8 10 Time (min) 35 70 ? 140 175 A 95 B. 100 C. 105 D. 110 NEED HELP ASAP...
Ответ:
What is the percent composition by mass of oxygen in magnesium oxide, MgO?
39.7 percent
Ответ:
B.heat energy to mechanical energy
C.mechanical energy to electrical energy
D.kinetic energy to gravitational potential energy