1. People usually use hydrogen peroxide (H2O2 molar mass= 34.02 g/mole) to clean their wounds. If Gloria used 1.5g of H2O2 to clean her wound, how many moles of H2O2 did she use? 2. A compound with the simplest formula CH2Cl has a molecular mass of 99
g/mole. What is the molecular formula of the compound?
3. The formula of the compound is NH4NO3, its molar mass is 80 g/mole and the total molar mass of nitrogen is 28 g/mole. What is the percentage composition of nitrogen?
4. Which of the following describes the simplest formula obtained of a compound?
5. Which indicates the actual number of atoms of each element in a molecular unit?
g/mole. What is the molecular formula of the compound?
3. The formula of the compound is NH4NO3, its molar mass is 80 g/mole and the total molar mass of nitrogen is 28 g/mole. What is the percentage composition of nitrogen?
4. Which of the following describes the simplest formula obtained of a compound?
5. Which indicates the actual number of atoms of each element in a molecular unit?
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