Which number is the Avogadro constant?

(a + b) = a2 + 2ab + b2
1.6022x10 * (- 23)
6.022 × 1023 mol-1
an = a1 + (n-1) r
Avogadro's number, number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.022140857 × 1023. The units may be electrons, atoms, ions, or molecules, depending on the nature of the substance and the character of the reaction.
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(a + b) = a2 + 2ab + b2
1.6022x10 * (- 23)
6.022 × 1023 mol-1
an = a1 + (n-1) r
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4%
13%
76%
4%
43
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11%
18%
56%
13%
44
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10%
20%
50%
20%
20
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30%
47%
13%
1088
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31%
25%
31%
16