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Na2CO3 + 2HNO3 -> 2NaNO3 + H2O + CO2

Time(s) Mass of Flask Plus Contents (g)
0 150.50
10 149.30
20 148.10
30 148.10

a)calculate the average overall rate of consumption of sodium carbonate in mol/min.

b)The mass of sodium carbonate consumed in the reaction

I am stuck on those questions for a while. I need your help!

  • chemistry -

    It appears the mass consumed is 150.56-148.10 g

    It was consumed in 20 sec, or .3333min

    rate= mass/(molmass*.333) in moles/minute.

  • chemistry -

    thank you. I need to answer b. help please? show step by step work if possible thanks!

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