Question

Classify each of these soluble solutes as a strong electrolyte, a weak electrolyte, or a nonelectrolyte. solutes formula hydroiodic acid hi calcium hydroxide ca(oh)2 hydrofluoric acid hf methyl amine ch3nh2 sodium bromide nabr propanol c3h7oh sucrose c12h22o11

Answer 1

The correct classification of the solutes are as follows:

hydroiodic acid hi                           =   strong electrolyte
calcium hydroxide ca(oh)2             =   weak electrolyte 
hydrofluoric acid hf                         =   weak electrolyte
methyl amine ch3nh2                     =   weak electrolyte
sodium bromide nabr                     =   strong electrolyte
propanol c3h7oh                            =   non electrolyte
sucrose c12h22o11                        =   non electrolyte

Strong electrolytes are substances that completely ionizes in aqueous solution while weak electrolytes are those that partially ionizes. Non electrolytes are substances that cannot conduct electric charge since there are no ions in the solution.

Answer 2

hydroodic acid h = strong electrolyte

calcium hydroxide ca (oh) 2 = weak electrolytes

hydrofluoric acid hf = weak electrolytes

methyl amine ch3nh2 = weak electrolytes

sodium bromide nabr = strong electrolyte

propanol c3h7oh = non electrolyte

c12h22o11 sucrose = not an electrolyte

Further Explanation

Electrolytes are solutions that can conduct electric current.

There are three types of solutions. The solution that can make the lamp turn bright is the strong electrolyte solution, the solution that can make the lamp turn dim is the weak electrolyte solution and the solution that does not turn on the lamp is the non-electrolyte solution.

Strong electrolyte solutions are perfectly ionized compounds when dissolved in water. Strong electrolyte solutions actually come from three types of solutions, namely water-soluble salts, strong acids, and strong bases. Strong electrolyte solutions derived from salt can be exemplified with a solution of NaCl salt. This solution can dissolve in water to produce cations and anions.

A weak electrolyte solution is a partially ionized solution in water. So this type of solution produces only a few ions in the water. Weak electrolytes usually come from two types of solutions, namely weak acids, and weak bases. One example of a weak acid which is also a weak electrolyte is Acetic Acid (HC2H3O2). Acetic acid has a different character from strong acids because if dissolved in water, acetic acid will not be fully ionized, only about 1% of the molecule will dissociate into ions in aqueous solution. Examples of weak acids: Acetic acid (HC2H3O2)

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Details

Grade:  College

Subject:  Chemistry

keywords: electrolyte