What is the molar mass for the following: CH4
16.04g/mol
How many moles are in 12.0 grams of helium (He)?
3.00 mol He
How many moles are in 6.02×1023 molecules of oxygen gas (O₂)?
1.00 mol O₂
How many molecules are in 18.0 grams of water (H₂O)?
6.02 × 10²³ molecules H₂O
What is the percent composition of hydrogen in water (H₂O)?
11.19% H in H₂O
What is the molar mass for the following: Fe3O4
231.53g/mol
How many moles are in 36.0 grams of water (H₂O)?
2.00 mol H2O
How many moles are in 3.01×1023 molecules of carbon dioxide (CO₂)?
0.500 mol CO₂
How many molecules are in 44.0 grams of carbon dioxide (CO₂)?
6.02 × 10²³ molecules CO₂
What is the percent composition of oxygen in carbon dioxide (CO₂)?
72.71% O in CO₂
What is the molar mass of carbon dioxide?
44.01g/mol
How many moles are in 98.0 grams of sulfuric acid (H₂SO₄)?
1.00 mol H₂SO₄
How many moles are in 1.20×1024 molecules of ammonia (NH₃)?
1.99 mol NH₃
How many molecules are in 34.0 grams of hydrogen peroxide (H₂O₂)?
5.99 × 10²³ molecules H₂O₂
What is the percent composition of carbon in glucose (C₆H₁₂O₆)?
40.00% C in C₆H₁₂O₆
What is the molar mass of C6H12O6?
180.16g/mol
How many moles are in 44.0 grams of calcium carbonate (CaCO₃)?
0.440 mol CaCO₃
How many moles are in 4.50×1022 molecules of glucose (C₆H₁₂O₆)?
0.0748 mol C₆H₁₂O₆
How many molecules are in 90.0 grams of glucose (C₆H₁₂O₆)?
3.01 × 10²⁴ molecules C₆H₁₂O₆
What is the percent composition of nitrogen in ammonium nitrate (NH₄NO₃)?
5.00% N in NH₄NO₃
What is the molar mass of dinitrogen tetraoxide?
92.011g/mol
How many moles are in 150.0 grams of aluminum sulfate [Al₂(SO₄)₃]?
0.438 mol Al₂(SO₄)₃
How many moles are in 8.75×1024 molecules of aluminum sulfate [Al₂(SO₄)₃]?
14.5 mol Al₂(SO₄)₃
How many molecules are in 171.0 grams of sucrose (C₁₂H₂₂O₁₁)?
5.96 × 10²³ molecules C₁₂H₂₂O₁₁
What is the percent composition of sulfur in aluminum sulfate [Al₂(SO₄)₃]?
28.10% S in Al₂(SO₄)₃