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If you have 0.25 moles of sulfuric acid (H2SO4), what is its mass? (2023)
If you have 0.25 moles of sulfuric acid (H2SO4), what is its mass? (2023)
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Q1
If you have 0.25 moles of sulfuric acid (H2SO4), what is its mass? (2023)
49 g
98 g
25 g
12.5 g
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Molar mass of H2SO4 = 2*1 + 32 + 4*16 = 98 g/mol. Mass = 0.25 moles x 98 g/mol = 24.5 g.
Questions & Step-by-step Solutions
1 item
Q
Q: If you have 0.25 moles of sulfuric acid (H2SO4), what is its mass? (2023)
Solution:
Molar mass of H2SO4 = 2*1 + 32 + 4*16 = 98 g/mol. Mass = 0.25 moles x 98 g/mol = 24.5 g.
Steps: 7
Show Steps
Step 1: Find the molar mass of sulfuric acid (H2SO4).
Step 2: Calculate the molar mass by adding the atomic masses: 2 hydrogen (H) atoms, 1 sulfur (S) atom, and 4 oxygen (O) atoms.
Step 3: The atomic mass of hydrogen is approximately 1 g/mol, sulfur is approximately 32 g/mol, and oxygen is approximately 16 g/mol.
Step 4: Calculate the total mass: (2 * 1) + (1 * 32) + (4 * 16) = 2 + 32 + 64 = 98 g/mol.
Step 5: Use the formula: Mass = moles x molar mass.
Step 6: Substitute the values: Mass = 0.25 moles x 98 g/mol.
Step 7: Calculate the mass: 0.25 x 98 = 24.5 g.
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