Faraday's Constant Video Lessons

Example:

# Problem: The molar mass of a unknown metal (M) is 50.9 g/mol and it forms a chloride of unknown composition (MClx). Electrolysis of a sample of this molten chloride with a current of 6.42 amps for 23.6 minutes produces 1.20 grams of the metal M at the cathode. Solve for the empirical formula of the chloride (i.e. solve for x in MClx). Show all work and circle your final answer.

###### FREE Expert Solution

For this problem, we have to determine the empirical formula of the given ionic compound MClx

We will be following these steps:

Step 1. Find the moles of metal cation

Step 2. Find the moles of electron reacted

Step 3. Find the ratio of mol electron over mole of Metal cation

Step 4. Write the empirical formula

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###### Problem Details

The molar mass of a unknown metal (M) is 50.9 g/mol and it forms a chloride of unknown composition (MClx). Electrolysis of a sample of this molten chloride with a current of 6.42 amps for 23.6 minutes produces 1.20 grams of the metal M at the cathode. Solve for the empirical formula of the chloride (i.e. solve for x in MClx). Show all work and circle your final answer.