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20.08.2021 •
Chemistry
An aqueous solution of lead (II) nitrate Pb(NO3)2 is mixed with aqueous sodium phosphate
Na3PO4 to produce solid lead (II) phosphate Pb3(PO4)2 and aqueous sodium nitrate NaNO3
3Pb(NO3)2 + 2 Na3PO4
—> Pb3(PO4)2 + NaNO3
a) How many moles of sodium nitrate are produced from 12.3 moles of Na3PO4?
b) Calculate the grams of Pb(NO3) needed to react with 8.5 moles of Na3PO4
c) How many moles of NaNO3 are produced from 152.3 g of Na3PO4
d) Calculate the amount of Pb(NO3)2 in grams needed to react with 108 g of Na3PO4
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Ответ:
A
Explanation: