Chemistry, 09.01.2020 19:31 okayfine3411
20. the mass of one mole of lead (pb) atoms is 207.2 g. use a proportion to calculate the n
lead atoms in a 15.00 g sample of lead.
2. y
i n the mathematical relationship between atomic mass units (amu) and grams (g)?
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Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.
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20. the mass of one mole of lead (pb) atoms is 207.2 g. use a proportion to calculate the n
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