subject
Chemistry, 15.04.2021 16:30 editsa

72.2% of element X is mass number 85. 27.8% is mass number 87. What is the average atomic mass of element X? (Round to
the correct number of significant figures.)

ansver
Answers: 1
Show answers

Another question on Chemistry

question
Chemistry, 21.06.2019 19:30
What is limiting reactant? with examples
Answers: 1
Answer
question
Chemistry, 22.06.2019 05:30
What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
Answers: 1
Answer
question
Chemistry, 22.06.2019 09:30
What does the mass of 0.7891 mol of ferric oxide (fe2o3)
Answers: 1
Answer
question
Chemistry, 22.06.2019 11:30
How hot is the suns corona? (integrated science)
Answers: 1
Answer
You know the right answer?
72.2% of element X is mass number 85. 27.8% is mass number 87. What is the average atomic mass of e...
Questions
question
Business, 19.12.2019 21:31
Beth and carol want to form a limited liability company to manage their business, doremi music. their state has adopted the uniform limited liability...
question
Computers and Technology, 19.12.2019 21:31
What is middleware? multiple choice the integration of data from multiple sources, which provides a unified view of all data translates information b...
question
Biology, 19.12.2019 21:31
How can you tell that these snapdragon do not follow the pattern of complete dominance...
question
History, 19.12.2019 21:31
How did mexican cession shape the growth of the united states? (select all that apply.) a. it promoted migration west. b. it...
question
Biology, 19.12.2019 21:31
Adjacent plant cells have narrow channels called plasmodesmata that pass through the cell walls of the connected cells and allow a cytoplasmic connect...
question
Business, 19.12.2019 21:31
E-commerce sites are able to keep the amount of data entry errors to a minimum a. by using artificial intelligence to correctly "guess"...
question
Social Studies, 19.12.2019 21:31
Tyler witnessed an automobile accident and heard one of the bystanders casually mention that the driver was probably intoxicated. even though the driv...
question
Social Studies, 19.12.2019 21:31
Data sales company, a private employer, believes that its employees waste work time visiting unrelated online sites. data notifies its employees that...
question
History, 19.12.2019 21:31
How does giorgio vasari praise leonardo da vinci? use examples from the excerpt as support....
question
Social Studies, 19.12.2019 21:31
The treaty of guadalupe hidalgo is one of the treaties that have made history in the past. during this period, the mexico army got defeated and that i...
question
Business, 19.12.2019 21:31
Cosmo techno, a new technology firm, invested $50,000 to obtain high-speed internet services for fast and efficient transmission of information across...
question
Arts, 19.12.2019 21:31
How does greenfieldboyce seek to present both sides of the argument within the article? cite evidence from the text in your r...
question
Chemistry, 19.12.2019 21:31
The zinc within a copper-plated penny will dissolve in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochlori...
question
Chemistry, 19.12.2019 21:31
The wastewater solution from a factory containing high levels of salts needs to be diluted before it can be released into the environment. therefore,...
question
Physics, 19.12.2019 21:31
How does an atom of sulfur-36 become a sulfide ion with a -2 charge? o a. the atom gains 2 protons to have a total of 38.
question
Business, 19.12.2019 21:31
Acompany had the following assets and liabilities at the beginning and end of the current year: assets liabilities beginning of yea...
question
English, 19.12.2019 21:31
Pride and prejudice jane austen 19) what is the main idea of this passage? a) mrs. bennet is excited. b) mr. be...
question
English, 19.12.2019 21:31
There is a tide in the affairs of men. which, taken at the flood, leads on to fortune; omitted, all the voyage of their life is bound in shallows and...
question
English, 19.12.2019 21:31
How does the author's discussion of the first street boy that okina at the beginning and end of the text us understand okina's impact?...
question
Business, 19.12.2019 21:31
mel's house of cars is an automobile dealership that sells both new and used cars. two other dealerships located near mel's pay their salespeople a st...
More questions: Chemistry Another questions
Questions on the website: 13722361
See results (0)