Chemistry, 25.03.2021 20:30, gabrielaperezcz
A 5-g sample of impure magnesium carbonate is reacted with an excess of hydrochloric acid: MgCO3 (s) 1 2HCl (aq) MgCl2 (aq) 1 H2O (l) 1 CO2 ( g) 1250 cm3 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? (Ar : C 5 12, O 5 16, Mg 5 24.) c Calculate the % purity of the 5-g sample.
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Chemistry, 22.06.2019 20:00, ahnorthcutt4965
Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line
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A 5-g sample of impure magnesium carbonate is reacted with an excess of hydrochloric acid: MgCO3 (s)...
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