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11 Nov 2019
A 8.85 g sample of hydrate of sodium carbonate, Na CO, XH,O was heated carefully until no more mass was lost from the sample. After heating, the final weight of the material was 7.55 g How many moles of Na,CO, remained after heating? O0 0712 moles O 0 142 moles O0.123 moles O 00835 moles
A 8.85 g sample of hydrate of sodium carbonate, Na CO, XH,O was heated carefully until no more mass was lost from the sample. After heating, the final weight of the material was 7.55 g How many moles of Na,CO, remained after heating? O0 0712 moles O 0 142 moles O0.123 moles O 00835 moles
Nelly StrackeLv2
18 Jun 2019