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anonymous
 4 years ago
Calculate the number of moles in 0.457 grams of NaCl, sodium chloride.
anonymous
 4 years ago
Calculate the number of moles in 0.457 grams of NaCl, sodium chloride.

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Explain why the number you calculated for Avogadro’s number may not match theactual number of 6.02 x 10^23

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.1atomic mass of Na Cl= 23.5+35=58.5 amu 1 mole weighs 58.5 gm so 1 gram has 1/58.5 moles 0.457gm will have 0.457/58.5=0.0078 moles

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.11 mole contains 6.023*10^23 molecules here we have 0.0078 moles so 0.0078*6.023*10^23= 4.6974*10^6 mlecules

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[n=M/M _{a}\] n=0.457/(23+35)=7.9*10^(3)

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.1Hayat Cakes, next time post chemistry questions in chemistry group. Moderator can delete your post.

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.1anyways, did you get the problem
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