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Lorico [155]
3 years ago
5

How many hydrogen atoms are present in 2.00mg of aspartame

Chemistry
2 answers:
kondor19780726 [428]3 years ago
4 0
2.167*10^22 atoms of hydrogen
scoundrel [369]3 years ago
4 0

Answer:

7.37\times 10^{19} number of H atoms are present in 2.00 mg of aspartame

Explanation:

Molecular formula of aspartame is C_{14}H_{18}N_{2}O_{5}

So, 1 molecule of aspartame contains 18 atoms of H

Molar mass of aspartame = 294.307 g/mol

Number of moles = (mass)/(molar mass)

So, 2.00 mg of aspartame = \frac{2.00\times 10^{-3}}{294.307} moles of aspartame

We know, 1 mol of a particle = 6.023\times 10^{23} number of particle

So, number of molecules of aspartame in \frac{2.00\times 10^{-3}}{294.307} moles of aspartame = \frac{2.00\times 10^{-3}}{294.307}\times 6.023\times 10^{23}

So number of H atoms in \frac{2.00\times 10^{-3}}{294.307} moles of aspartame = \frac{2.00\times 10^{-3}}{294.307}\times 6.023\times 10^{23}\times 18 = 7.37\times 10^{19}

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