What's the percent by mass of potassium (K)in KMnO_(4) 30.87% 52.98% 24.74% 41.54%

Name: What's the Percent by Mass of Potassium (K)in KMnO_(4) 30.87% 52.98% 24.74% 41.54%
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Question

Answer 1

### 24.74 \%

Answer 2

## Step 1: Identify the molecular formula of KMnO

### The molecular formula of potassium permanganate is KMnO

.## Step 2: Calculate the molar mass of KMnO

### The atomic masses are:

,

. Therefore, the molar mass is:

## Step 3: Calculate the percent by mass of potassium in KMnO

### Use the formula for percent by mass:

Question