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Answer:

1.123x10⁻⁴ moles of alanine

Explanation:

In order to convert grams of alanine into moles, we need to know its molecular weight:

The formula for alanine is C₃H₇NO₂, meaning its molecular weight would be:

  • 12*3 + 7*1 + 14 + 16*2 = 89 g/mol

Then we divide the sample mass by the molecular weight, to do the conversion:

  • 1.0x10⁻² g ÷ 89 g/mol = 1.123x10⁻⁴ moles

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