allofthosefruit
08.11.2020 •
Chemistry
Boron has two isotopes. Boron-10 which has a mass of 10.0129 and Boran-11 with a mass of 11.0093 occurs 52.69% of the time and B - 11 47.31% of the time. What is the average atomic mass of boron? Help me
Solved
Show answers
More tips
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- L Leisure and Entertainment Carving: History and Techniques for Creating Vegetable and Fruit Decorations...
- P Photography and Videography How to Choose the Perfect Photo Paper for Your Images?...
- H Health and Medicine What vaccines do children need?...
- H Health and Medicine Reasons for the Appearance of Warts: Everything You Need to Know...
- A Art and Culture How to Learn Screaming: Step-by-Step Guide for Beginners...
Answers on questions: Chemistry
- C Chemistry The prevailing atmospheric pressure on a plateau in Colorado is 0.706 atm. Express this pressure in pounds per square inch, kilopascals, pascals, millimeters Hg,...
- C Chemistry Lithium metal reacts with nitrogen gas to produce lithium nitride. What volume of nitrogen gas at 2 atm and 175â—¦c is required to produce 75.0 g of lithium nitride?...
- C Chemistry 1. Caused by movement of rocksbelow the surface. is Called?...
- C Chemistry Which of the following explains how one of the postulates in John Dalton s atomic theory was later subjected to change? Various scientists found that all atoms of...
- C Chemistry A galvanic (voltaic) cell consists of an electrode composed of nickel in a 1.0 M 1.0 M nickel(II) ion solution and another electrode composed of silver in a 1.0...
- C Chemistry Plz help Solve this by using factor labeling...
- C Chemistry A package within package can be best defined as which of the following...
- C Chemistry Looking at each reagent used during the synthesis and work-up, decide if the following substitutions could be made, and note why or why not they are appropriate:...
- M Mathematics A bakery sells cookies, donuts, bagels. Cindy bought three cookies, two donuts, and one bagel for $4.84. Andrew bought 10 cookies, 12 donuts, six bagels for $25.12....
- E English CAN SOMEBODY PLSSS HELP ME WITH THESE ELA QUESTIONS TO SEE IF THERE RIGHT ANSWERSSSSS...
Ответ:
Copper, a metal known since ancient times, is used in electrical cables and pennies, among other things. ... Calculate the average atomic mass of copper. ... The atomic masses of the two stable isotopes of boron 10B (19.78%) and 11B (80.22%) are 10.0129 amu ... (.1978)(10.0129 amu) + (.8022)(11.0093 amu) =10.81 amu.
Explanation:
I hope I help :)
Ответ:
hle tk ta ehna nu psnd krda m ❣️✌️
XD