Which of the following weighs most
(i) 50 g of iron (ii) 5 g atoms of nitrogen (iii) 0.1 g atom of silver (iv) `1xx10^(23)` atoms of carbon

Explanation

To determine which of the given options weighs the most, we need to convert all the quantities into grams. Let's analyze each option step by step.

### Step 1: Analyze the weight of iron
- Given: 50 g of iron
- Weight of iron = 50 g

### Step 2: Calculate the weight of nitrogen
- Given: 5 g atoms of nitrogen
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