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1. **What is the mass of 1 mole of raindrops?**
   - The mass of one raindrop is given as **50 mg** (milligrams). 
   - To find the mass of **1 mole of raindrops**, we need to multiply the mass of one raindrop by Avogadro's number (the number of particles in one mole, which is \( 6.022 \times 10^{23} \)).

   The steps are as follows:
   \[
   \text{Mass of 1 mole of raindrops} = \text{mass of one raindrop} \times \text{Avogadro's number}
   \]
   First, convert **50 mg** to grams:
   \[
   50 \, \text{mg} = 0.050 \, \text{g}
   \]
   Then, multiply by Avogadro’s number:
   \[
   \text{Mass of 1 mole of raindrops} = 0.050 \, \text{g} \times 6.022 \times 10^{23} = 3.011 \times 10^{22} \, \text{g}
   \]

2. **How many moles of raindrops are in the Pacific Ocean?**
   - The mass of the Pacific Ocean is given as \( 7.08 \times 10^{20} \, \text{kg} \).
   - To calculate the number of moles of raindrops in the Pacific Ocean, we will divide the total mass of the Pacific Ocean by the mass of one mole of raindrops (from the previous result).

   First, convert the mass of the Pacific Ocean from kilograms to grams:
   \[
   7.08 \times 10^{20} \, \text{kg} = 7.08 \times 10^{23} \, \text{g}
   \]
   Then, divide by the mass of one mole of raindrops:
   \[
   \text{Number of moles} = \frac{7.08 \times 10^{23} \, \text{g}}{3.011 \times 10^{22} \, \text{g/mol}} = 23.51 \, \text{moles}
   \]

### Summary of Answers:
1. The mass of 1 mole of raindrops is \( 3.011 \times 10^{22} \, \text{g} \).
2. There are approximately 23.51 moles of raindrops in the Pacific Ocean.

Do you want further details or explanations on any of these steps? 

Here are 5 related questions to explore:
1. What is Avogadro's number and why is it important in chemistry?
2. How would the mass change if the raindrop was heavier or lighter?
3. What is the significance of significant figures in these calculations?
4. How do we convert milligrams to grams, and why is this step necessary?
5. Can the number of raindrops in the Pacific Ocean be estimated using these calculations?

**Tip:** Always convert units to a consistent system (like grams or kilograms) before performing calculations to avoid errors.

A raindrop has a mass of 50 mg, and the Pacific Ocean has a mass of 7.08 × 10^20 kg. What is the mass of 1 mole of raindrops? How many moles of raindrops are in the Pacific Ocean?

Calculate the mass of 1 mole of raindrops based on the mass of a single raindrop and Avogadro's number. Learn how many moles of raindrops exist in the Pacific Ocean. This problem covers key chemistry concepts, including the mole concept, mass conversion, and scientific notation.

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