A gold ring has a mass of 8.123 g. It is rubbed against a metal piece and 0.89 g of gold is removed. What is the new mass of the ring?

Explanation

To find the new mass of the gold ring after some gold is removed, we can follow these steps:

### Step 1: Identify the initial mass of the gold ring.
The initial mass of the gold ring is given as 8.123 g.

### Step 2: Identify the mass of gold removed.
The mass of gold removed from the ring is given as 0.89 g.

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