Ask
your own question, for FREE!
Chemistry
17 Online
OpenStudy (cooltowl):
PLEASE HELP!! Element L has an average atomic mass of 69.3121 amu and is composed of two isotopes. The first has a mass of 70.1609 amu and makes up 29.110% of a standard sample. What is the mass of the second isotope?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (cowgirl1):
68.4633 amu. since the average is 69.3121 we multiply that by 2 to find the total. once we havethe total, we subtract the amount of isotope 1. the remainder is the value of isotope 2.
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
MrsTooTac:
pedos nowadays ud83dude4fud83cudffeud83eudd26ud83cudffeu2640 . its alot on here i can name .
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
Breathless:
I don't know if this would be considered art, but its close enough I believe, Any
Demon25:
Let my silence be my voice Let my silence remind you how many times I tried speak
MrsTooTac:
pedos nowadays ud83dude4fud83cudffeud83eudd26ud83cudffeu2640 . its alot on here i can name .
10 hours ago
0 Replies
0 Medals
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
14 hours ago
2 Replies
1 Medal
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
1 day ago
5 Replies
1 Medal
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
14 hours ago
6 Replies
1 Medal
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
3 days ago
3 Replies
0 Medals
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
5 days ago
0 Replies
0 Medals
Breathless:
I don't know if this would be considered art, but its close enough I believe, Any
1 week ago
3 Replies
0 Medals
Demon25:
Let my silence be my voice Let my silence remind you how many times I tried speak
1 week ago
5 Replies
1 Medal