Chemistry, 24.10.2020 07:40 graymonky12
12. Several isotopes of a certain atom "X" exist. 4.35% of all X atoms have a mass of 39.946 amu.
83.79% have a mass of 41.941 amu, 9.50% have a mass of 42.941 amu, and 2.36% have a mass of
43.939 amu. What is the average atomic mass of atom X?
Answers: 2
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You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand
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12. Several isotopes of a certain atom "X" exist. 4.35% of all X atoms have a mass of 39.946 amu.
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