0.25 mol Fe2(CO3)3 contains___mol carbonate ions

Write the net ionic equation for the following: CaCla + NazCO; * Co.*- (aq) + Ca²* (aq) CACO: (s) Na (aq) + Cl- (aq)NaCl(s) Ca2+ (aq) + Na* (aq) – CaNa: (s) no precipitate forms Which of the following ionic reaction represents a complete ionic equation? I. Al,0, (s) + 6H* (aq) + 6C1O, (aq) → 2 Al3*(aq) + 6C10, (aq) +3 H, 0 (I) II. PbCr0, (s) → Pb2+(aq) + Cr0; (aq) III. Mg(OH)2 (s) + H2SO, (aq) → MgSO, (aq)+ 2 H20 (1) IV. H2CO, (aq) + 20H (aq)→ clo;- (aq) + 2 H,0 (I) II IV

Na2CO3

1. For each of the following reactions, identify the category of reaction, balance reaction, and describe how you knew a reaction took place. To indicate an already balanced reaction, write balanced above the reaction. Reaction 1 Balance: H2O(1) + NO2(g) Cu(s) Cu(NO3)2(aq) + HNO3(aq) + Reaction Category: How did you identify a reaction took place? Reaction 2 Balance: Cu(NO3)2(aq) + NaOH(aq) – Cu(OH)2(s) + NaNO3(aq) Reaction Category: How did you identify a reaction took place? OhoW Reaction 3 Balance: Cu(OH)2(s) → CuO(s) + H2O(1) Reaction Category: How did you identify a reaction took place? Reaction 4 Balance: CuO(s) + H2SO4(aq) – CuSO4(aq) + H2O() Reaction Category: How did you identify a reaction took place? Reaction 5 Balance: CuSO4(aq) + Zn(s) → ZNSO4(aq) + Cu(s) Reaction Category: How did you identify a reaction took place?

Fe(no3)3 (aq)+3NaOH(aq) Fe(OH)3(s)+ 3NaNo3(aq) how many moles of NaOH would be required to produce 0.40 moles of Fe(OH)3?

2.The following reaction takes place as represented by the balanced chemical equation below: 2 K3PO4 (aq)  +  3 Ba(NO3)2 (aq)  -->  6 KNO3 (aq)  +  Ba3(PO4)2 104.7 mL of a 2.50 M K3PO4 solution is reacted with an excess amount of Ba(NO3)2 solution. How many grams of Ba3(PO4)2 should be produced? Numerical answer:   Unit:   Label:  Ba3(PO4)2

3 Cu   +   8HNO3  --> 3 Cu(NO3)2    +  2 NO   +  4  H2O In the above equation how many moles of water can be made when 178.7 grams of HNO3 are consumed?

Consider the following reaction: UO2 (s) + HF (aq) ➝ UF4 (s) + H2O (l). You mix together 20.0. mL of 0.30 M HF and 0.85 g UO2. What is the theoretical yield of UF4?

4. Calculate the calculate the mass of precipitate formed from 5.0 g of strontium chloride. Li3PO4(aq) → Sr3(PO4)2(S) + LiCl(aq) _SrCl₂(aq) + 5. What mass of aluminum hydroxide in needed to neutralize 5.00 g of hydrochloric acid? Al(OH)3(s) + _HCl(aq) → ___AlCl3(aq) + _H₂O(1) 195

Consider the chemical equation below: Fe(NO3)2 (aq) + Na2CO3 (aq) → FeCO3 (s) + 2NaNO3 (aq) Identify the spectator ion(s) in this reaction.  Group of answer choices   NO3- and Na+ Na+ Fe2+ and CO32- Fe2+ NO3-