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Asample of carbon-12 has a mass of 6.00 g. how many atoms of carbon-12 are in the sample?
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Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
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How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.
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To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %
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Asample of carbon-12 has a mass of 6.00 g. how many atoms of carbon-12 are in the sample?...
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