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How many grams are in 0.25 moles of glucose (C6H12O6)?
How many grams are in 0.25 moles of glucose (C6H12O6)?
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Practice Questions
1 question
Q1
How many grams are in 0.25 moles of glucose (C6H12O6)?
30 g
45 g
75 g
90 g
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Molar mass of C6H12O6 = 6*12 + 12*1 + 6*16 = 180 g/mol. Mass = 0.25 moles x 180 g/mol = 45 g.
Questions & Step-by-step Solutions
1 item
Q
Q: How many grams are in 0.25 moles of glucose (C6H12O6)?
Solution:
Molar mass of C6H12O6 = 6*12 + 12*1 + 6*16 = 180 g/mol. Mass = 0.25 moles x 180 g/mol = 45 g.
Steps: 7
Show Steps
Step 1: Identify the chemical formula of glucose, which is C6H12O6.
Step 2: Calculate the molar mass of glucose by adding the atomic masses of all the atoms in the formula.
Step 3: For glucose, calculate the total mass: 6 carbon (C) atoms x 12 g/mol + 12 hydrogen (H) atoms x 1 g/mol + 6 oxygen (O) atoms x 16 g/mol.
Step 4: Perform the calculations: 6*12 = 72, 12*1 = 12, 6*16 = 96.
Step 5: Add these values together: 72 + 12 + 96 = 180 g/mol. This is the molar mass of glucose.
Step 6: Use the molar mass to find the mass of 0.25 moles of glucose: Mass = number of moles x molar mass.
Step 7: Calculate the mass: 0.25 moles x 180 g/mol = 45 g.
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