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Calculate the Mole Ratio of 240 G of Calcium and 240 G of Magnesium. (Ca = 40 U ; Mg = 24 U) - Science

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Short Note

Calculate the mole ratio of 240 g of calcium and 240 g of magnesium. (Ca = 40 u ; Mg = 24 u)

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Solution

Mass of calcium = 240g

Molar mass of calcium = 40g

Number of moles in 40g of calcium = 1 mole

Therefore, number of moles in 240g of calcium = 240 / 40 = 6 moles

Mass of magnesium = 240g

Molar mass of magnesium = 24g

Number of moles in 24g of magnesium = 1 mole

Therefore, number of moles in 240g of magnesium = 240 / 24 = 10 moles

Therefore, mole ratio of 240g of calcium to 240g of magnesium is 3:5.

Concept: Mole Concept
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 30 | Page 173

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