question archive 2) A) What mass of BaSO4 will precipitate with 100
2) A) What mass of BaSO4 will precipitate with 100
Subject:ChemistryPrice: Bought3
2) A) What mass of BaSO4 will precipitate with 100. mL of 3.00 x 10-3 M BaCl2 and 250. mL of 6.00 x 10-4 M Na2SO4 are mixed together?
B) Write the net ionic equation for this reaction.
3.
Consider the following chemical equation involving nickel(IV) sulfide and oxygen:
2 NiS2 (s) + 5 O2 (g) ?
2 NiO (s) + 4 SO2 (g)
Determine the quantities of all species (in grams) present when 525 g of NiS2 reacts with 633 g of O2
Show work
- Fill in the blank with the amount of expected NiO.
5.
A student taking this exam has a 32.2 mL sample of aqueous iron (II) chloride of unknown concentration. 45.2 mL of 0.128 M ammonium hydroxide was added to the sample in order to observe a complete reaction.
A) Write the complete balanced equation?
B) What is the concentration of the iron (II) chloride solution?
