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Quantitative Chemistry: Atom Economy
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Total cards: 2•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
What is atom economy?
Back (Answer)
A measure of the amount of starting materials that end up as useful products. It’s a ratio of the relative formula mass of the desired product to the sum of the relative formula masses of reactants.
#2
Front (Question)
Which of the 2 following reactions has a better atom economy? Reaction 1: CuCO3(s) + 2HCl(aq) → CuCl2(aq) + H2O(l) + CO2(g) Reaction 2: CuCO(s) + 2HCl(aq) → CuCl2(aq) + H2O(l) Relative formula masses: CuO = 79.5, HCl =36.5, CuCl2 = 134.5, H2O = 18.
Back (Answer)
Reaction 2 88.2%