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For the reaction Pb(NO3)2 + 2KI → PbI2 + 2KNO3, how many moles of lead iodide are produced from 246.2 g of potassium iodide?
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For the reaction Pb(NO3)2 + 2KI → PbI2 + 2KNO3, how many moles of lead iodide are produced from 246.2 g of potassium iodide?
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Nov 22, 2018
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For the reaction Pb(NO3)2 + 2KI → PbI2 + 2KNO3, how many moles of lead iodide are produced from 246.2 g of potassium iodide?
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Yonix
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m(KI)=246.2 g
M(KI)=166.0 g/mol
n(KI)=m(KI)/M(KI)
n(KI)=246.2/166.0≈1.48 mol
2 mol KI - 1 mol PbI₂
1.48 mol KI - x mol PbI₂
x=1.48*1/2=
0.74 mol
Omada
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Nov 26, 2018
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