Problem: You have two hypothetical molecular compounds, AX and AY. AX is a strong electrolyte and AY is a weak electrolyte. The compounds undergo the following chemical reactions when added to water.AX(aq) + H2O(l) → AH2O+ (aq) + X-(aq)AY(aq) + H2O(l) → AH2O+ (aq) + Y-(aq)a. Explain how the relative amounts of AX(aq) and AY(aq) would compare if you had a beaker of water with AX and a beaker of water with AY.b. How would the relative amounts of X-(aq) and Y-(aq) in the two beakers compare? Be sure to explain your answer.

FREE Expert Solution

Determine the classifications of electrolytes and apply the properties to the AX and AY salts

Strong electrolytes

  • Strong electrolyte are salts that completely dissociate. Strong acids and bases are strong electrolytes
  • Examples are strong acids like HCl, HBr, HI, HNO, H2SO4, HClO3 and HClO4
  • Strong bases where it is composed of OH-, H- or O2- paired with Group 1A and 2A (Ca, Sr, and Ba) metals.
  • Soluble ionic compounds are also considered strong electrolytes. 

Weak electrolytes

  • Weak electrolytes are salts that partially dissociate. Weak acids and bases are considered weak electrolytes
  • Weak acids like HNO2, H3PO4 and CH3COOH while weak bases like NH3, Be(OH)2 and Mg(OH)2 are all weak electrolytes
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Problem Details

You have two hypothetical molecular compounds, AX and AY. AX is a strong electrolyte and AY is a weak electrolyte. The compounds undergo the following chemical reactions when added to water.

AX(aq) + H2O(l) → AH2O+ (aq) + X-(aq)

AY(aq) + H2O(l) → AH2O+ (aq) + Y-(aq)


a. Explain how the relative amounts of AX(aq) and AY(aq) would compare if you had a beaker of water with AX and a beaker of water with AY.


b. How would the relative amounts of X-(aq) and Y-(aq) in the two beakers compare? Be sure to explain your answer.

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