Calculate mass of 6.022 ×10^21 molecules of CO2.
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Answer:
0.44 u
Explanation:
No. of moles = 6.022 × 10²¹/ 6.022× 10 ²³
therefore No. of moles = 1/100
No. of moles = given mass/ molecular mass
therefore
1/100=mass/molecular mass of CO2(44 u)
therefore
1/100×44 u= mass
therefore mass = 0.44
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