How do you convert the number of molecules of a substance to the number of moles?
a. ad...
Chemistry, 14.12.2019 22:31 kevenluna10oytivm
How do you convert the number of molecules of a substance to the number of moles?
a. add avogardo's number
b. subtract avogardo's number
c. multiply avogardo's number
d. devide avogardo's number
Answers: 3
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What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn
Answers: 2
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