percent composition
Mg in MgO2
What is 43.2%
2.3 moles of Sodium is ____ particles.
What is 1.4 x 1024 particles.
130 g of Cadmium is ____ moles?
What is 1.16 moles of Cd.
2.3 moles of Cl2 is ___ L?
What is 51.52 L of Cl2.
You have 3.4g of O2 in a balloon- what is the volume? Is it too full?
What is 4.76 L, and the balloon popped- too full.
K in KCl
What is 52.4%
What is 1.4 x 1022 particles.
65 g of Na+1 is ___ moles?
What is 2.83 moles of Na+1.
0.23 moles of oxygen is ___ L?
What is 5.152 L.
You have 2.45 x 1016 particles of cinnamaldehyde (C9H10O) which gives cinnamon its flavor. Is this too much mass for a pumpkin loaf?
What is 5.3 x 10-6 g- this is not enough.
Carbon in CaCO3
What is 11.9%
3.04 x 1025 particles of Calcium is ___ moles of Calcium?
What is 50.49 moles of Calcium
0.045 moles of Cadmium is ___ g?
What is 5.06 g of Cd.
43.5 L of Br2 is ____ moles?
What is 1.94 moles of Br2.
You have 607 L of He in your air balloon and you need 5L more for lift- how many particles of He are required for lift?
What is 1.64 x 1025 particles.
Hydrogen in H3BO3
What is 4.85%
6.045 x 1024 particles of H3BO3 is how many moles of boric acid?
What is 10.04 moles of boric acid.
34.5 g of methane is ___ moles of methane?
What is 2.149 moles of methane.
215.6 L of nitrous oxide is kept on hand in the maternity ward at Kaiser RWC. How many moles of nitrous oxide is this?
What is 9.63 moles.
435.6 g glucose (C6H12O6) are required for carrot bread. How many molecules of glucose is this?
What is 1.46 x 1024 molecules of glucose.
Nitrogen in Ammonium
What is 77.6%
1.67 x 1021 particles of Ra2+ is ___ moles of Ra2+?
What is 0.0028 moles of Ra2+
578.01 g of jadarite LiNaSiB3O7(OH) is how many moles?
What is 2.63 moles of jadarite.
Chlorine gas is banned as a chemical weapon by NATO and the UN security council, even the smallest amount can be harmful. If you found 0.0024 moles of Cl2 how many L would that be?
What is 0.05 L of Cl2.
800 L of Cl2 is found in a facility off the coast of Santa Barbara- what is the mass of Chlorine gas found?
What is 2.5 kg of Cl2.