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Question
Submitted by lina.beanss on Sat, 2012-02-11 02:48
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how many grams of lead are in .9020 grams of lead 2 acetate

how many grams of lead are in .9020 grams of lead 2 acetate

Answer
Submitted by Coloratus on Sat, 2012-02-11 10:50
teacher rated 75 times
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The mass xx lead contained xx xxxxxxxxxxxxxxx is:
xxxxx = w(Pb) x m(Pb(CH3COO)2)
xxxxx xxxxx xx xxx xxxx xxxxxxxx xx xxxx in xxxxxxxxxxxxxxxx xx xxx xxxxxxxxx it xx formula:
xxxxx = xxxxx x xxxxxxxxxxxxxxx
xx the xxxxxx of the xxxxx xxxxxx xx lead xxx xxxxxxxxxxxxxxxx xx read those xxxxxx from PSE and we have:
M(Pb) x xxxxx g/mol
xxxxxxxxxxxxxx x xxxxx x xxxxxxxxx x xxxxxx + 3*M(H)) = xxxxx x xxxxxx x 4*M(O) x 6*M(H) x xxxxxx x 4*12.01 + 4*15.99 x xxxxxxx g/mol x xxxxxx g/mol
xxxx we can calculate xxxxxx
w(Pb) = xxxxx x M(Pb(CH3COO)2)
xxxxx = 207.2 g/mol / xxxxxx xxxxx
w(Pb) = xxxxx x 325.29
xxxxx = 0.63697
xxxx xxx xxxx of xxxx is:
xxxxx x w(Pb) * xxxxxxxxxxxxxx
m(Pb) = 0.63697 * xxxxxx x
m(Pb) = xxxxxx g


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Answer
Submitted by shahimermaid on Sat, 2012-02-11 08:53
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the answer is solved

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xxxxxxxx xxxxxxx molecular xxxxxx

xxxxxxxxx weight calculation:
xxxxx + xxxxxxxxxx x xxxxxxxxx + xxxxxxxxxxxx

Molar xxxx xx xxxxxxxxxxx x xxxxxxxxx xxxxx

xx xxxxxxxx gm of Lead(II) xxxxxxx x 207.2 xx

xx x xx of xxxxxxxx Acetate = xxxxxxxxxxxxxx

xx 0.9020 xxxxx xx xxxx x acetate xx xxxxx x 0.9020 = 0.5746 xx


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