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The number of moles in 5 grams of calcium is _________.
- a)0.125 mole
- b)5 mole
- c)1.25 mole
- d)12.5 moles
Correct answer is option 'A'. Can you explain this answer?
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The number of moles in 5 grams of calcium is _________.a)0.125 moleb)5...
Calculation:
To determine the number of moles in 5 grams of calcium, we need to use the formula:
Number of moles = Mass of substance / Molar mass
Step 1: Calculate the molar mass of calcium.
The molar mass of calcium (Ca) is 40.08 g/mol.
Step 2: Substitute the values into the formula.
Number of moles = 5 g / 40.08 g/mol
Step 3: Solve the equation.
Number of moles = 0.1247512448 mol
Answer:
The number of moles in 5 grams of calcium is approximately 0.125 mole.
To determine the number of moles in 5 grams of calcium, we need to use the formula:
Number of moles = Mass of substance / Molar mass
Step 1: Calculate the molar mass of calcium.
The molar mass of calcium (Ca) is 40.08 g/mol.
Step 2: Substitute the values into the formula.
Number of moles = 5 g / 40.08 g/mol
Step 3: Solve the equation.
Number of moles = 0.1247512448 mol
Answer:
The number of moles in 5 grams of calcium is approximately 0.125 mole.
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The number of moles in 5 grams of calcium is _________.a)0.125 moleb)5 molec)1.25 moled)12.5 molesCorrect answer is option 'A'. Can you explain this answer?
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