QQuestionChemistry
QuestionChemistry
"What is the charge of the cation in MnCl^3?
Input your answer as a number (don't input the plus sign)
Cation = ?
Roman numeral = ?"
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Identify the chloride (anion) charge
- Chloride (Cl) always has a charge of - 1 - In MnCl^3, there are 3 chloride ions
Step 3:: Determine the total negative charge
- Total negative charge = 3 × (- 1) = - 3
Step 4:: Use the principle of charge neutrality
- Equation: $$x + 3(-1) = 0
- The total positive and negative charges must balance to zero - Let x be the charge of the manganese (Mn) cation
Step 5:: Solve for the cation charge
- $$x + (-3) = 0
- x = 3
Step 6:: Determine the Roman numeral notation
- Charge of 3 corresponds to Mn(III)
Final Answer
Cation charge: 3 Roman numeral: III
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