Podcast
Questions and Answers
What is the definition of a substance?
What is the definition of a substance?
- Anything with mass and volume (correct)
- Anything with only volume
- Anything with only mass
- Anything with color
How is the atomic weight of an element calculated?
How is the atomic weight of an element calculated?
- By calculating the number of molecules in the element
- By calculating the number of atoms in the element
- By calculating the mass of one atom of the element (correct)
- By calculating the molecular weight
What is the definition of a mole?
What is the definition of a mole?
- The number of atoms in a molecule
- A collection of Avogadro’s number of any particle (correct)
- The weight of a compound
- The mass of one carbon atom
How is the molecular weight of a compound calculated?
How is the molecular weight of a compound calculated?
How are moles of atoms calculated?
How are moles of atoms calculated?
How are moles of molecules calculated?
How are moles of molecules calculated?
What is the volume of a gaseous sample directly proportional to, according to Avogadro’s hypothesis?
What is the volume of a gaseous sample directly proportional to, according to Avogadro’s hypothesis?
What is the number of molecules in 1 ml of gas at S.T.P. as per Loschmidt number?
What is the number of molecules in 1 ml of gas at S.T.P. as per Loschmidt number?
What is equivalent weight equal to?
What is equivalent weight equal to?
What does the n-factor represent for any acid?
What does the n-factor represent for any acid?
What does the n-factor represent for any base?
What does the n-factor represent for any base?
What is the concentration unit that represents the amount of solute present in a definite amount of solution?
What is the concentration unit that represents the amount of solute present in a definite amount of solution?
In 100 ml of its aqueous solution, 4g NaOH is present. What is the molarity?
In 100 ml of its aqueous solution, 4g NaOH is present. What is the molarity?
What is the number of milliequivalents of H2SO4 present in 50 ml of N/20 H2SO4?
What is the number of milliequivalents of H2SO4 present in 50 ml of N/20 H2SO4?
$10g$ HCl are dissolved in $250ml$ of its aqueous solution. If density of the solution is $1.2g$, what is the molality?
$10g$ HCl are dissolved in $250ml$ of its aqueous solution. If density of the solution is $1.2g$, what is the molality?
What is the gram equivalent for any salt?
What is the gram equivalent for any salt?
