Q1: Employ solubility guidelines to predict insoluble products, if any. (Difficu

Question

Q1: Employ solubility guidelines to predict insoluble products, if any. (Difficulty = 4)

a) MnnCl2(?) + Na2S(aq)

b) HNO3(aq) + CuSO4(?)

c) Hg(NO3)2(aq) + Na3PO4(aq)

d) BaCl2(aq) +KOH(aq)

Q2: What is the final concentration if 75.0 mL of a 3.50 M glucose solution is diluted to a volume of 400.0 mL?

Q3: What is the final concentration if 75.0 mL of a 3.50 M glucose solution is with a volume of 400.0 mL?

Q4: Nomenclature

1. name two very common nonmetal cations that have acid properties

2. name the top four inert gases

3. name

a. FeO, Fe2O3 and Fe3O4

b. name LiCl

c. name CuSO4. 5 H2O

d. PO3- 4(aq)

e. CO2- 3(aq)

4. provide chemical formula for

a. aqueous hydrogen peroxide

b. sodium hypochlorite

c. potassium perchlorate

d. disodium phosphate ion

e. hydrogen sulfate ion or bisulfate ion

Explanation / Answer

Solution :-

Q1: Employ solubility guidelines to predict insoluble products, if any. (Difficulty = 4)

Complete reactions are as follows and the precipitate is denoted by the solid phase (s)

a) MnCl2(aq) + Na2S(aq) ------ > MnS (s) + 2 NaCl(aq) = forms precipitate

b) HNO3(aq) + CuSO4(aq) ------- > H2SO4(aq) + Cu(NO3)2(aq) = no precipitate

c) 3Hg(NO3)2(aq) + 2Na3PO4(aq) --- > Hg3(PO4)2(s) + 6NaNO3(aq) = forms precipitate

d) BaCl2(aq) +KOH(aq) --------- > Ba(OH)2(aq) + 2KCl(aq) = no precipitate.

Q2: What is the final concentration if 75.0 mL of a 3.50 M glucose solution is diluted to a volume of 400.0 mL?

Solution :- M1 = 3.50 M , V1 = 75.0 ml

M2 = ?   V2 = 400.0 ml

M1V1 = M2M2

M2 = M1V1/V2

     = 3.50 M * 75.0 ml / 400.0 ml

     = 0.65625 M

So the concentration of the diluted solution is 0.65625 M

Q3: What is the final concentration if 75.0 mL of a 3.50 M glucose solution is with a volume of 400.0 mL?

Solution :- M1 = 3.50 M , V1 = 75.0 ml

M2 = ?   V2 = 400.0 ml

M1V1 = M2M2

M2 = M1V1/V2

     = 3.50 M * 75.0 ml / 400.0 ml

     = 0.65625 M

So the concentration of the diluted solution is 0.65625 M

Q4: Nomenclature

1. name two very common nonmetal cations that have acid properties

Solution :- ammonium ion ,

2. name the top four inert gases

Solution :- names of the inert gases are , Helium , Neon , Argon , Krypton

3. name

a. FeO= Iron (ll) oxide

Fe2O3 = Iron (lll) oxide

Fe3O4 = Iron (ll,lll) oxide

b. name LiCl = Lithium chloride

c. name CuSO4. 5 H2O = Copper sulfate pentahydrate

d. PO3- 4(aq) = phosphate ion

e. CO2- 3(aq) = carbonate ion

4. provide chemical formula for

a. aqueous hydrogen peroxide = H2O2(aq)

b. sodium hypochlorite = NaOCl

c. potassium perchlorate = KClO4

d. disodium phosphate ion = Na2HPO4

e. hydrogen sulfate ion or bisulfate ion = HSO4^-(aq)

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