A community for students.
Here's the question you clicked on:
 0 viewing
Sunshine447
 3 years ago
How many moles of tungsten atoms are in 4.8*10^25 atoms of tungsten?
a. 800 moles
b. 80 moles
c. 0.13 moles
d. 0.013 moles
Sunshine447
 3 years ago
How many moles of tungsten atoms are in 4.8*10^25 atoms of tungsten? a. 800 moles b. 80 moles c. 0.13 moles d. 0.013 moles

This Question is Closed

ghazi
 3 years ago
Best ResponseYou've already chosen the best response.3number of moles \[n=\frac{ w }{ m }\] but here you have been given atoms and one mole =6.022 *10^23 atoms there fore number of moles are \[n=\frac{ 4.8*10^{25} }{ 6.022*10^{23} }=79.707 \]

ghazi
 3 years ago
Best ResponseYou've already chosen the best response.3@Sunshine447 hope that helps you

Sunshine447
 3 years ago
Best ResponseYou've already chosen the best response.1@ghazi but how did you get 79.707?

ghazi
 3 years ago
Best ResponseYou've already chosen the best response.3i think i made a mistake, its 7.9707 moles

ghazi
 3 years ago
Best ResponseYou've already chosen the best response.3just a division of the numbers i have written above

Sunshine447
 3 years ago
Best ResponseYou've already chosen the best response.1my teacher said to round up, so i think 79.707 was correct....

ghazi
 3 years ago
Best ResponseYou've already chosen the best response.3one mole has 6.02*10^23 atoms 1 atom is there in 1/6.02 *10^23 moles therefore 4.8 *10^25 will be in 4.8*10^25/6.02*10^25 and answer is B

ghazi
 3 years ago
Best ResponseYou've already chosen the best response.3is that clear now? @Sunshine447 :D
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.