SOLUTION: Can you help me solve this? 1 mole of carbon-12 contains 6.022*10^23 carbon-12 atoms. with a mass of 12g. Calculate the mass

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Question 1028727: Can you help me solve this? 1 mole of carbon-12 contains 6.022*10^23 carbon-12 atoms. with a mass of 12g.
Calculate the mass of 1 carbon-12 atom with scientific notation.

Calculate the mass of carbon-12 atoms in 20.0g of carbon-12.
Calculate the number of moles of carbon-12 atoms in 20.0g of carbon-12
Answer by mananth(16946) About Me  (Show Source):
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the mass of 1 carbon-12 atom with scientific notation
12/6.022 x 10^23 and get 1.99*10^23
the mass of carbon-12 atoms in 20.0g of carbon-12.
12g contain 6.022 x 10^23
20 g will contain (20/12) 6.022*10^23
7.527 * 10^23