L canister contains 0.750 mol of NO₂(g) and is allowed to reach equilibrium. Calculate th trations of all 3 compounds at equilibrium. Include an ICE table The reaction O₂(g) N₂(g) + 2 O₂(g) and has a Keq = 4.82 *10-³

If you are making a set of standards from a 10.0mg/L standard, explain how you make 2mL of 4.00mg/L standard? This question on my chem lab stumped me, any ideas?

how can I convert mg/dL to g/L

gasoline water do not mix regular grade gasoline has a lower density of .73 g/mL than water which has 1.00 g/mL 100 mL grand graduated cylinder with an inside diameter of 3.2 cm contains 3.4 g of gasoline and 3.4 g of water. What is the combined height of the two liquid layers in the cylinder the of the cylinder is pi r2 squared where r is the radius and H is the height