babyydave babyydave

18-04-2016
Chemistry

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Determine the number of moles of arsenic in 1.90g As

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Willchemistry Willchemistry

18-04-2016

Molar mass arsenic = 74.92 g/mol

1 mole ---------- 74.92 g
? mole ----------- 1.90 g

moles = 1.90 * 1 / 74.92

= 0.02536 moles of arsenic

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