Label each of the following ions as cations or anions a. Sodium: b. Chloride: c.

Question

Label each of the following ions as cations or anions a. Sodium: b. Chloride: c. Sulfate ion: d. Ammonium ion: e. Magnesium ion: f. Nitrate ion: g. Phosphate ion: 2. Label each of the following solutions as either an electrolyte/ionic solution or non-electrolyte solution. a. Barium chloride solution: b. Hexanol (alcohol) solution: c. Iron(II) oxide solution: d. Aluminum chloride solution: e. Acetic acid (vinegar): 3. Name the following compounds: a. KNO_3: b. BaSO_4: c. Ca_3(PO_4)_2: d. Mg(OH)_2: e. LiCl: f. NH_4Br: 4. Circle the ions that are responsible for producing hard water: a. Barium b. sodium c. Lithium d. calcium e. lead f. magnesium g. carbon h. nitrogen 5. Write the net ionic equation for the reaction of barium chloride reacting with sodium sulfate. 6. When 0.015 grams of sodium sulfate is dissolved in 200 mL of water, what is the concentration of the ions expressed in parts per million (ppm)/

Explanation / Answer

1.

a: cation

b. anion

c. anion

d. cation

e. cation

f. anion

g. anion

2) a,. electrolytic

b) non - electr

c) electr

d) electr

e) electr

3) KNO3: Potassium Nitrate

BaSO4: Barium Sulfate

Ca3(PO4)2 ... Tricalcium bis(Phosphate)

Mg(OH)2: Magnesium Hydroxide

LiCl : Lithium Chloride

NH4Br: Ammonium Bromide

4) d) calcium f) magnesium

5:

BaCl2 (aq) + Na2SO4 (aq) --> BaSO4 (s) + 2NaCl (aq)

Ba +2(aq) + 2Cl- (aq) + 2Na+(aq) + SO4-2 (aq) --> BaSO4 (s) + 2Na+(aq) + 2Cl - (aq)

Net Ionic Equation

Ba+2 (aq) + SO4-2 (aq) --> BaSO4 (s)

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