Chemistry, 23.10.2019 13:00, kittey7854
Chromium has four naturally occuring isotopes. cr-50 (mass of 49.946 amu and 4.35% abundance); cr-52 (mass of 51.941 amu and 83.79% abundance); cr-53 (mass of 52.941 amu and 9.50% abundance); and cr-54 (mass of 53.939 amu and 2.36% adundance). calculate the average atomic mass of chromium.
51.996 amu
eliminate
b) 52.000 amu
c) 52.191 amu
d) 52.25 amu
Answers: 1
Chemistry, 21.06.2019 17:30, girlchamp654
What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?
Answers: 2
Chemistry, 23.06.2019 06:20, cowboo5000pcl655
An object of mass 10.0 kg and volume 1000 ml and density 10 g/ml sinks in water who’s density is 1.0 g/ml. what is the mass of the water which has been displaced in kilograms
Answers: 1
Chromium has four naturally occuring isotopes. cr-50 (mass of 49.946 amu and 4.35% abundance); cr-5...
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