Regents Chemistry Test Preparation Practice Table F Solubility Guidelines For Aqueous Solutions

Which compound is soluble in water?*

(1) PbS

(2) BaS

(3) Na₂S

(4) Fe₂S₃

Which compounds are electrolytes?*

(1) C₂H₅OH and H₂SO₄

(2) C₂H₅OH and CH₄

(3) KOH and H₂SO₄

(4) KOH and CH₄

Which substance is an electrolyte?*

(1) C₆H₁₂O₆(s)

(2) C₂H₅OH(ℓ)

(3) NaOH(s)

(4) H₂(g)

According to Table F, which ions combine with chloride ions to form an insoluble compound?*

(1) Fe²⁺ ions

(2) Ca²⁺ ions

(3) Li⁺ ions

(4) Ag⁺ ions

Which compound is an electrolyte?*

(1) CH₃CHO

(2) CH₃OCH₃

(3) CH₃COOH

(4) CH₃CH₂CH₃

A 1-gram sample of a compound is added to 100 grams of H₂O(ℓ) and the resulting mixture is then thoroughly stirred. Some of the compound is then separated from the mixture by filtration. Based on Table F, the compound could be*

(1) AgCl

(2) CaCl₂

(3) NaCl

(4) NiCl₂

Which ion combines with Ba²⁺ to form a compound that is most soluble in water?*

(1) S²⁻

(2) OH⁻

(3) CO₃²⁻

(4) SO₄²⁻

Which compound is an electrolyte?*

(1) H₂O

(2) C₂H₆

(3) H₃PO₄

(4) CH₃OH

Which formula represents an electrolyte?*

(1) H₂O

(2) CCl₄

(3) H₂SO₄

(4) C₆H₁₂O₆

Base your answers to questions 10 on the information below and on your knowledge of chemistry.

In a titration, 50.0 milliliters of 0.026 M HCl(aq) is neutralized by 38.5 milliliters of KOH(aq).

Complete the equation below for the neutralization by writing the formula of the missing product.

acids-bases-and-salts, neutralization-and-titration fig: chem12014-abkq63.png *

Base your answers to questions 11 on the information below and on your knowledge of chemistry.

Natural gas and coal are two fuels burned to produce energy. Natural gas consists of approximately 80% methane, 10% ethane, 4% propane, 2% butane, and other components.

The burning of coal usually produces sulfur dioxide, SO₂(g), and sulfur trioxide, SO₃(g), which are major air pollutants. Both SO₂(g) and SO₃(g) react with water in the air to form acids.

Complete the equation below representing the reaction of sulfur trioxide with water to produce sulfuric acid, by writing the formula of the missing reactant and the formula of the missing product.

acids-bases-and-salts, arrhenius-acids-and-bases, moles-and-stoichiometry, formulas, moles-and-stoichiometry, compounds, acids-bases-and-salts, arrhenius-acids-and-bases fig: chem12016-abkq78.png *

Base your answers to questions 12 on the information below and on your knowledge of chemistry.

A student prepares two 141-gram mixtures, A and B. Each mixture consists of NH₄Cl, sand, and H₂O at 15°C. Both mixtures are thoroughly stirred and allowed to stand. The mass of each component used to make the mixtures is listed in the data table below.

physical-behavior-of-matter, classification-of-matter, physical-behavior-of-matter, features-of-mixture fig: chem12016-exam_g10.png

Determine the temperature at which all of the NH₄Cl in mixture A dissolves to form a saturated solution.*

Base your answers to questions 13 on the information below.

In a titration, 20.0 milliliters of 0.15 M HCl(aq) is exactly neutralized by 18.0 milliliters of KOH(aq).

Complete the equation below for the neutralization reaction by writing the formula of each product.

acids-bases-and-salts, neutralization-and-titration fig: chem62012-abkq63.png *

Base your answers to questions 14 on the information below and on your knowledge of chemistry.

The elements in Group 17 are called halogens. The word “halogen” is derived from Greek and means “salt former.”

Based on Table F, identify one ion that reacts with iodide ions in an aqueous solution to form an insoluble compound.*

Base your answers to questions 15 on the information below and on your knowledge of chemistry.

Some compounds of silver are listed with their chemical formulas in the table below.

periodic-table, elements-in-the-periodic-table, chemical-bonding, bonding-tendency-of-elements, chemical-bonding, differentiation-of-types-of-substances fig: chem62018-exam_g21.png

Identify the silver compound in the table that is most soluble in water.*