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How many moles of sodium hydrogen carbonate are present in 2.61 grams of this compound?
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22 votes
22 votes
How many moles of sodium hydrogen carbonate are present in 2.61 grams of this compound?

User Ali Akbarpour
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1 Answer

11 votes
11 votes

Molar mass of NaHCO_3

  • 23+1+12+3(16)
  • 36+48
  • 84g/mol

Now


\\ \sf\longrightarrow No\:of\:moles=(Given\:mass)/(Molar\:mass)


\\ \sf\longrightarrow No\:of\; moles=(2.61)/(84)


\\ \sf\longrightarrow No\:of\:moles=0.0312mol

User Rodrigo Lopetegui
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