Calcium, Ca has Atomic Mass of 40.1
Amount of Ca = 16.5/40.1 = 0.411mol
There are 0.411 moles of calcium in a 16.5 gram sample.
0,27 moles of calcium contain 10,82 g calcium.
120 grams of calcium contain 2,994 moles.
29,0 g of calcium is equal to 0,723 moles.
425 g calcium (Ca) is equal to 10,604 moles.
5000 grams calcium (1 mole Ca/40.08 grams) = 124.75 moles Calcium
42,5 grams calcium is equivalent to 1,06 moles.
0,27 moles of calcium contain 10,82 g calcium.
120 grams of calcium contain 2,994 moles.
3 moles of calcium is equivalent to 120,234 g.
29,0 g of calcium is equal to 0,723 moles.
425 g calcium (Ca) is equal to 10,604 moles.
5000 grams calcium (1 mole Ca/40.08 grams) = 124.75 moles Calcium
2Ca + O2 --> 2CaO The molar mass of Calcium is 40g/mol. 36.5g/40g gives you 0.9125 moles of Calcium. The moles of calcium are equivalent to the moles of Calcium oxide. The answer is 0.9125 moles of calcium oxide. Correct me if I am wrong.
0,06 g calcium is equivalent to 0,0015 moles.
400 g of calcium cabonate is equal to 3,996 moles.
2,8 moles of calcium carbonate have 240,208 g.
120 g calcium is equal to 3 moles.