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Step 1:I'll provide a comprehensive explanation of converting between grams and moles using the molar mass concept.
Step 2:: Understanding the Relationship
- $$M$$ = molar mass in $$\frac{g}{mol}
The conversion between grams and moles relies on molar mass, which is the mass of one mole of a substance. The key formula is: Where:
Step 3:: Grams to Moles Conversion
- $$n = \frac{20 \text{ g}}{18 \frac{g}{mol}} = 1.11 \text{ mol}
To convert grams to moles, divide the given mass by the substance's molar mass:
Step 4:: Moles to Grams Conversion
- $$m = 2.5 \text{ mol} \times 58.44 \frac{g}{mol} = 146.1 \text{ g}
To convert moles to grams, multiply the number of moles by the molar mass:
Final Answer
- Grams to Moles: n = \frac{m}{M} - Moles to Grams: m = n \times M Always use the substance's specific molar mass for accurate conversions.
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