CH-2052
The mole
Chemistry · Secondary 4 · Hard · The mole
A refinery can choose between CaCO at \$0.10 per kg and MgCO at \$0.16 per kg to remove 16 000 g of SO per hour.
Equations:
Which option is cheaper per hour?
(Relative atomic masses: Mg = 24, others as usual.)
Equations:
Which option is cheaper per hour?
(Relative atomic masses: Mg = 24, others as usual.)
- Calcium carbonate, costing \$2.50 per hour
- Magnesium carbonate, costing \.68 per hour
- Calcium carbonate, costing \$4.00 per hour
- Magnesium carbonate, costing \$3.36 per hour
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