It would be 0.341 because if you add 0.229 and 0.112 it will be 0.341
C or a one of those hope it helps !!!!
Answer: 40.1%
Explanation: The mass of calcium in this compound is equal to 40.1 grams because there's one atom of calcium present and calcium has an atomic mass of 40.1 . The molar mass of the compound is 100.1 grams. Using the handy equation above, we get: Mass percent = 40.1 g Ca⁄100.1 g CaCO3 × 100% = 40.1% Ca.
Answer:
8CO + 17H2 = C8H18 + 8H2O
8, 17, 1, 8
