Anonymous
Anonymous asked in Science & MathematicsChemistry · 1 month ago

Moles-How do I figure it out?

Answer the following about CaC2O4, with m.m. = 128.10 g/mol.

    a) How many moles of CaC2O4 are in 2.00 grams?

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  • 1 month ago

    (2.00 g CaC2O4) / (128.10 g CaC2O4/mol) = 0.0156 mol  CaC2O4

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    To find the number of carbon Atoms in that same 2 g:

    (2.00 g CaC2O4) / (128.10 g CaC2O4/mol) × (2 mol C / 1 mol CaC2O4) ×

    (6.022 × 10^23 atoms/ mol) = 1.88 × 10^22 atoms C

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