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Kitty [74]
3 years ago
6

0c convert to kelvin

Chemistry
1 answer:
Julli [10]3 years ago
5 0
To convert Celsius into kelvin add 273 to o celsius.o+273=273k
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How many atoms of Lead are in a 62.7 g sample of Lead(II) permanganate?
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\large \boxed {8.48 \times 10^{22}\text{ atoms}}

Explanation:

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1. Moles of Pb

\text{Moles of Pb} = \text{62.7 g Pb(MnO$_{4}$)}_{2} \times \dfrac{\text{1 mol Pb(MnO$_{4}$)}_{2}}{\text{445.07 g Pb(MnO$_{4}$)}_{2}}\\\\\times \dfrac{\text{1 mol Pb}}{\text{1 mol  Pb(MnO$_{4}$)}_{2}} = \text{0.1409 mol Pb}

2. Atoms of Pb

\text{Atoms of Pb} = \text{0.1409 mol Pb } \times \dfrac{ 6.022  \times 10^{23}\text{ atoms Pb }}{\text{1 mol Pb }}\\\\= \large \boxed {\mathbf{8.48 \times 10^{22}}\textbf{ atoms Pb }}

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