A compound has the empirical formula CH. A sample of this
compound containing 0.387 moles has a mass of 30.19 g. What is the
molecular formula?
Select one:
O
a. C6H6
b. C2H2
0
c. C3H3
O
d. C4H4
Solved
Show answers
More tips
- F Food and Cooking Deflope: What is it and how does it work?...
- 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 ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
Answers on questions: Chemistry
- C Chemistry Alyssa is trying to decide where to spend this year s vacation. She could go snorkeling in the *Sea of Tranquility on the Moon or she could go skiing on *Mount Olympus...
- C Chemistry PLEASE HELP THIS DUE NOW!...
- C Chemistry Define these 3 terms in your own words AND when they are used in solving stoichiometry problems (For example: when do you need the molar mass of a substance in a stoichiometry...
- C Chemistry Which is the best example that something has potential energy? 1 a car parked on a steep hill a tennis ball rolling across the court a picture hanging on the wall a piece...
- C Chemistry Can you please help me with these 5 questions please :)...
- C Chemistry HELP WILL ASAP WILL GIVE BRANLYIEST Record the elements present in each unknown astronomical object. Be sure to indicate “yes” or “no” for each element. Hydrogen Helium...
- C Chemistry 4+3(6)+2=24 carbon has 4 and each oxygen has 6 add 2 for the minus 2 charge...
- S Social Studies What is one danger of not treating such this as chlamydia or gonorrhea psych?...
- S Social Studies This is a premeditated murder; the main character plans the old man’s demise. to avoid suspicion, the narrator explains, i was never to the old man than during the whole...
- S Social Studies Why was dag hammarskjold s body intact and everyone else s burned after his plane crashed?...
Ответ:
Since we have the mass and number of Moles we can calculate the molecular weight.
n = m/M so M = m/n = 30.19/ 0.387 = 78 g/mol
For C6H6 the molecular weight is :
6 x 12 + 6 x 1= 72 + 6 = 78 g/mol
Which corresponds
Ответ:
45467777777777yt3457942