Chemistry, 26.08.2020 09:01 jordystafford4988
11. Tellurium consists of 3 common isotopes. Half of tellurium atoms have a mass of 127, and another 0.45 of
tellurium atoms weigh 128. The average atomic mass of tellurium is 127.6. What is the mass of the remaining
isotope?
a 126
b) 129
c) 131
d) 125
e) 127
Answers: 2
Chemistry, 22.06.2019 01:30
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .
Answers: 3
Chemistry, 22.06.2019 04:50
Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
Answers: 1
Chemistry, 22.06.2019 12:30
If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.
Answers: 3
11. Tellurium consists of 3 common isotopes. Half of tellurium atoms have a mass of 127, and another...
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