daisukes507 daisukes507

30-09-2021
Chemistry

contestada

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 and 5 117In class=

Respuesta :

Аноним Аноним

30-09-2021

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

Answer Link

Otras preguntas

Can someone please explain this question?

PLEASE HELP!! A sequenced is defined by an=-3/4an-1, and a3=9/16. What is the seventh term?

One flew over the cuckoo's nest 1. Why did chief stop trying to fight his way out of the fog? 2. What's the deal with this long description of the fog? Many p

Two students use different methods to solve this multiplication problem: 1/2 • -4 4/5 Read each of their methods below and then enter numbers to correctly compl

please help what famous scientist had tried to discover a cure for the yellow fever but had failed

Why do u have to kiss someone when ur standing under mistletoe? Like who make this tradition up?

The arrow at the maze entrance indicates that the robot will be heading east when it enters the maze. When programming the robot, let the complex number d repre

please help I'm stuck on two questions 1) the harappans used ___bricks to build their cities? 2) which major river flows through the northern and Northeastern r

In this speech, President Kennedy explains the symbolic meaning of A. the New Frontier. B. Cape Canaveral. C. aviation history. D. the Aerospace

Lynn is tracking the progress of her plats growth.today the plant is 7cm.The plant grows 2cm per day find an equation that represents the plants