Respuesta :

AyaanR
Moles = mass/RFM
RFM of Na2CO3 = 46 + 12 + 48 = 60 + 46 = 106
Moles = 145/106 = 1.37 moles (3sf)
vlcooktraylor2

Answer:

There are

0.0642 mol Na

2

CO

3

in

6.80 g

Explanation:

The chemical formula of sodium carbonate is

Na

2

CO

3

. The molar mass of sodium carbonate is

105.988439 g/mol

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