Which of the following is correct, according to Avogadro’s hypothesis?
A. At 0°C and 1 atm pressure, equal volumes of gases contain equal masses.
B. At 0°C and 1 atm pressure, equal volumes of gases contain the same number of molecules.
C. At 0°C and 1 atm pressure, equal volumes of gases have the same density.
D. At 0°C and 1 atm pressure, 1 L of oxygen gas and 1 L of liquid water contain the same number of molecules.
Answer:B
Which of the following is correct, according to Avogadro’s hypothesis?
A. At 0°C and 1 atm pressure, equal volumes of gases contain equal masses. B. At 0°C and 1 atm pressure, equal volumes of gases contain the same number of molecules. C. At 0°C and 1 atm pressure, equal volumes of gases have the same density. D. At 0°C and 1 atm pressure, 1 L of oxygen gas and 1 L of liquid water contain the same number of molecules.