Stoichiometry - Page 3
Questions
- Water, H2O, is made via its formation reaction. How many moles of water form when (7.69x10^0) moles of oxygen gas react? (Answer in mol to 3 s.d. in proper scientific notation)
- How many oxygen atoms are in #Al_2(SO_4)_3#?
- What mass of water will be produce if #11.6*mg# of butane are completely combusted?
- When 7.25 g of #Al# reacts with excess #H_2SO_4# in the reaction #2Al (s) + 3 H_2SO_4 (aq) -> Al_2(SO_4)_3(aq) + 3H_2(g)# how many liters of #H_2# is formed at 25° C and a pressure of 1.650 atm?
- How many grams of nitrogen are needed to produce 100 grams of ammonia gas?
- What is the mass in grams of 1.80 mol of calcium?
- Iron (III) oxide reacts with carbon monoxide to form molten iron and carbon dioxide. If .18 g of iron (III) oxide reacts with 0.11 g of carbon monoxide, how many grams of iron would be produced?
- Rust is a reddish brown solid with the chemical formula Fe2O3 · nH2O. To determine the number of molecules of water of crystallization in a formula unit of a rust sample, 40.0 cm3 of 1.5M hydrochloric acid was added to 1.89 g of.... (Details below)?
- A student needs to make #5.00xx10^1# mL of a potassium carbonate solution with a concentration of #3.3000xx10^(-2)# mol/L. What mass of potassium carbonate should they use to make the solution? (Answer to 3 s.d. in g)
- If 507 g #FeCl_2# were used up in the reaction #FeCl_2 + 2NaOH -> Fe(OH)_2(s) + 2NaCl#, how many grams of #Fe(OH)_2# would be formed?
- For the reaction represented by the equation #Cl_2 + 2KBr -> 2KCl + Br_2#, how many grams of potassium chloride can be produced from 300. g each of chlorine and potassium bromide?
- How many grams of #O_2(g)# are needed to completely burn #21.4# #g# of #C_3H_8(g)# in the reaction #C_3H_8(g) + 5O_2(g) -> 3CO_2(g) + 4H_2O(g)#?
- What mass of oxygen is needed for the complete combustion of #8.90 * 10^-3# #g# of methane?
- Find the maximum amount of ozone(O3) by removing all of its oxygen atomes?
- 21.10 grams of magnesium react with excess sulfuric acid. How many liters of hydrogen are produced?
- If there is a #5*mol# quantity of #N_2#, how much dihydrogen is required to make ammonia?
- How many moles of sodium peroxide are needed to produce 1.00 mol sodium hydroxide?
- How do you draw propyne?
- Aluminum oxide is decomposed to extract pure aluminum from the mineral. If 6.7 tons of aluminum oxide is mined, calculate the mass of pure aluminum produced?
- #10*g# of carbon disulfide is combusted with #15.5*L# of oxygen gas, which is the reagent in excess?