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Convert the mass of na2co3 to moles, given its molar mass (mm) of 105.989 g/mol
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Convert the mass of na2co3 to moles, given its molar mass (mm) of 105.989 g/mol

User KirkoR
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Divide the molar mass (g/mol) by g to cancel them out. You are them left with only moles.
User Stefan Anca
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