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Question
Platinum has a molar mass of 195 g/mol. If you have a ring that contains 2.3 g of platinum, how many moles does it contain?A) 0.012 mol
B) 85 mol
C) 450 mol
D) 7.2 x 1021mol
E) 1.4 x 1024mol
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Q:
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Q:
In a photoelectric effect experiment at a frequency above cut off, the number of electrons ejected is proportional to:
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Q:
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Q:
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Q:
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