Practice problem
How many atoms are there in 100g of calcium carbonate (CaCO3CaCO_3CaCO3, Ca40Ca 40Ca40, C12C 12C12, O16O 16O16)?
3.011×10243.011 \times 10^{24}3.011×1024
3.011×10253.011 \times 10^{25}3.011×1025
6.022×10236.022 \times 10^{23}6.022×1023
6.022×10256.022 \times 10^{25}6.022×1025
Type a concept, like “slope” or “photosynthesis”.