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Arrange the following in order of increa...

Arrange the following in order of increasing masses.
i. 1 molecules of oxygen ii. 1 atom of nitrogen
iii. 1 mol of water iv. `1 xx 10^(-10)` of iron
a. ii lt I lt iii lt iv b. ilt iilt ivlt iii
c. ii lt ilt ivlt iii d. iltiiltiiiltiv

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To solve the problem of arranging the given substances in order of increasing masses, we need to calculate the mass of each item step by step. ### Step 1: Calculate the mass of 1 molecule of oxygen (O2) 1. The molecular weight of oxygen (O2) is approximately 32 g/mol (16 g/mol for each oxygen atom). 2. To find the mass of 1 molecule, we use Avogadro's number (6.022 x 10^23 molecules/mol). 3. Mass of 1 molecule of O2 = (32 g/mol) / (6.022 x 10^23 molecules/mol) = 5.31 x 10^-23 g. ### Step 2: Calculate the mass of 1 atom of nitrogen (N) ...
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