![dennisedemirovic20](/avatars/2769.jpg)
dennisedemirovic20
23.07.2019 •
Chemistry
Ineed solving this for chemistry. don’t know where to start: /
Solved
Show answers
More tips
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
- C Computers and Internet How to Choose a Monitor?...
- S Style and Beauty How to Get Rid of Peeling Nails: Natural Remedies...
- S Science and Technology Understanding Magnetic Storms: A Guide to This Natural Phenomenon...
- F Family and Home What is Most Important in Men s Lives?...
- G Goods and services Which TV is better - LCD or Plasma?...
- C Computers and Internet Are there special gaming mice?...
- G Goods and services LED-подсветка в LCD-телевизорах: 5 причин, почему она лучше других технологий...
- C Computers and Internet Keep Your Mouse Pad Clean: The Right Way to Clean It?...
Answers on questions: Chemistry
- C Chemistry What should you do before you begin to plan a scientific investigation? perform background research to learn what is already known about the question you are trying to answer....
- C Chemistry Write the formulas for the following ionic compounds. potassium iodide magnesium phosphide silver sulphide iron(III) bromide magnesium hydroxide sodium sulphate lead (IV)...
- C Chemistry A model of an atom shows eight electrons in rings that represent different energy levels. How many electrons are in each energy level? A.four in the first energy level,...
- M Mathematics Help me please it is math...
- M Mathematics 4s+h^{2} s×s×s×s×h×h Are these expressions equivalent? Explain why or why not....
- M Mathematics Pls help no trolling plss...
- C Chemistry Which countries were the world leaders in space exploration throughout the 1960 s?...
- M Mathematics Jamle needs at least 50 parent signatures on her reading log at the end of the month. She has 30 signatures. Which graph represents the numbet of signatures that Jamie still...
- S Social Studies What kinds of environments did the gold seekers work in?...
- M Mathematics PLS HELP, WILL REWARD BRAINLIEST!!...
Ответ:
1 mole of electrons have 1.602* 10⁻¹⁹*6.02*10²³C = 9.64*10⁴ C/1mol
One ion Co²⁺ takes 2e⁻ to become Co⁰.
1 mol of Co²⁺ ions take 2 mole of e⁻ to become Co⁰, so
0.30 mol Co²⁺ ions take mole of 0.60 mol e⁻ to become Co⁰
9.64*10⁴(C/1mol) *0.60 (mol)≈ 5.8 *10⁴ Coulombs.
Correct answer is C
Ответ:
nitrogen dioxide
Explanation:
this was on my chemistry test