Question

A 5-g sample of inmpure magnesium carbonate is
reacted with an excess of hydrochloric acid:
MgCO, (s) + 2HCI (ag)
MgCl, (aq) + H,O (1) + CO, (g)
1250 cm' of carbon dioxide is collected at rtp.
a How many moles of CO, 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-g sample.

Answer 1

Answer:

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Explanation:

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