Question

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14 A 5.0 g sample of impure magnesium carbonate is
reacted with an excess of hydrochloric acid:
MgCO3 (s) + 2HCl (aq) -
MgCl2 (aq) + H2O (1) + Co, (g)
1250 cm' of carbon dioxide is collected at rtp.
a How many moles of CO2 are produced?
b What mass of pure magnesium carbonate would
give this volume of carbon dioxide?
(A,: C = 12,0 = 16, Mg = 24.)
c Calculate the % purity of the 5.0 g sample.

Answer 1

Answer:

I didn't get a tale of this one