*show work for the following examples*
1) what is the mass of 1 mole of h2o2 (hydrogen peroxide)?
2) calculate the mass of 1 mole of nano3 (sodium nitrate)?
3) how many atoms are in 8.0 moles of argon?
8.0 mol ar * ( \ ) = atoms of ar
4) how many moles of kr are in 132g of krypton?
132 g kr * ( \ ) = moles of kr
*next are 2 step equations*
5)how many atoms are in 96.4 g of si?
94.6 g si * ( \ ) * ( \ ) = atoms of silicon
6) what is the mass in grams of 4.8 * 10^24 atoms of magnesium?
i got most of this one but i'm not sure what the next step is :
4.8 *10^24 atoms of mg * (1\(6.022 * 10^23)) * (24\1) = 191 g mg
Solved
Show answers
More tips
- F Family and Home What s That Noise When a Kettle Boils? The Science of Water and Steam...
- S Style and Beauty Ultimate Guide on How to Care for Suede Shoes...
- S Sport Running: How to Do It Right?...
- F Food and Cooking How to Cook Spaghetti Right – Secrets and Tips...
- P Philosophy Personal attitude towards Confession: how to prepare and undergo the procedure correctly?...
- H Health and Medicine Flu: How to Recognize It by the First Symptoms?...
- F Food and Cooking How to Sober Up Quickly? Important Facts and Tips...
- H Health and Medicine How to Properly Take a Blood Sugar Test?...
- H Health and Medicine Simple and Effective: How to Get Rid of Cracked Heels...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
Answers on questions: Chemistry
- C Chemistry Unsaturated fats (polyunsaturated and monounsaturated fats) are NOT required to be listed on the Nutrition Facts panel. If total fat on the Nutrition Facts panel includes...
- C Chemistry Compare and contrast the factors responsible for the boiling points of a carboxylic acid and a tertiary amide of comparable shape and size. Give specific examples of...
- C Chemistry Question 24 (3 points) Choose the element below that has correct information about the number of energy levels/orbitals: (Use a period table to answer this question)....
- C Chemistry PLEASE HELP! THIS A TIMED QUIZ!! Scientists found an artifact that has 25% of Carbon-14 left. Based on how much Carbon-14 is remaining, how old is the artifact that was...
- C Chemistry What’s the answer I don’t know how to do it...
- C Chemistry What is the pH of a solution that contains 0.003 M HBr?* O 1.0 O 2.5 O 5.8 O 11.5...
- C Chemistry 4. How could topographic maps be beneficial? *...
- C Chemistry The federal Centers for Disease Control in Atlanta recently lowered the threshold of concern for lead levels in children’s blood. Lead levels in blood as low as 10 micrograms...
- C Chemistry PLEASE ANSWER FOR BRANIEST Alex wants to grow some flowers for his wife, but isn t sure which flowers will grow best in the soil in their yard. He goes to Lowe s and...
- C Chemistry What is the final mass of charcoal?...
Ответ:
2) (1.00mol NaNO3)(84.99g/mol NaNO3) = 84.99g NaNO3
3) (8.00mol Ar)(6.02x10²³) = 4.82x10²⁴ atoms
4) (132g Kr) / (83.79g/mol Kr) = 1.58mol Kr
5) (96.4g Si)/(28.09 g/mol Si) = 3.43mol Si
(3.43mol Si)(6.02x10²³) = 2.07x10²⁴ atoms Si
6) You did this one correctly :)
Ответ:
CH₃CH₂CH₂COOH.
Explanation:
To know which option is correct, let us hydrolysed the given ester. This is illustrated in the attached photo.
Hydrolysis of ester involves breaking the ester bond by a water molecule to produce the corresponding alcohol and carboxylic acid.
From the reaction given in the attached photo, we can see that the carboxylic acid needed to produce the desired ester is butanoic acid, CH₃CH₂CH₂COOH.