Register
What is the average atomic mass when the isotopes are: 20% 112In, 50% 114In, 25% 116In and 5% 117In?
15.4k views
3 votes
What is the average atomic mass when the isotopes are: 20% 112In, 50% 114In, 25% 116In and 5% 117In?

What is the average atomic mass when the isotopes are: 20% 112In, 50% 114In, 25% 116In-example-1
User Graham Whitehouse
by
3.6k points

1 Answer

3 votes
114.3 AMU.

Explanation: (112 Amu * .20) + (114 amu + .50) + 116 amu*.25) + 117 amu * 0.05)
22.4 + 57 + 29 + 5.85
79.4 + 34.85
114.3 amu
User Bachrc
by
3.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.4m questions

4.4m answers

Other Questions

What is the variable for this number 22.4L?
1. If temperature is increased, the number of collisions per second do what
A helium balloon containing 0.100 mol of gas occupies a volume of 2.4 L at 25 C and 1.0 atm. how many moles have we added if we inflate it to 5.6 L?
Which of the following is NOT a benefit of wildfires? * O Insects moving in after a fire provide more food for birds. O Wildfires help undergrowth in a forest grow denser. O Fires can clean out diseased
Calculate the number of moles of sodium hydroxide in 8g of sodium hydroxide (NaOH). Na=23 O=16 H=1
Link Copied!