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Questions and Answers
What is Avogadro's number experimentally determined value for the number of entities comprising 1 mole of a substance?
What is Avogadro's number experimentally determined value for the number of entities comprising 1 mole of a substance?
- 6.022 × 10^23 mol−1 (correct)
- 4.022 × 10^23 mol−1
- 7.022 × 10^23 mol−1
- 5.022 × 10^23 mol−1
What does the term 'dilute' refer to in a solution?
What does the term 'dilute' refer to in a solution?
- Presence of a high concentration of solvent
- Adding solvent to lower solute concentration (correct)
- Quantitative measure of solute and solvent
- Relatively high concentration of solute
How is 'molarity (M)' defined?
How is 'molarity (M)' defined?
- Sum of average atomic masses for all atoms represented in an empirical formula
- Number of moles of solute dissolved in 1 liter of solution (correct)
- Ratio of solute-to-solution mass expressed as a percentage
- Mass in grams of 1 mole of a substance
What is the formula to calculate mass percentage?
What is the formula to calculate mass percentage?
What does 'empirical formula mass' represent?
What does 'empirical formula mass' represent?
What is 'parts per billion (ppb)'?
What is 'parts per billion (ppb)'?
What does 'solute' refer to in a solution?
What does 'solute' refer to in a solution?
'Formula mass' is the sum of what for all atoms represented in a chemical formula?
'Formula mass' is the sum of what for all atoms represented in a chemical formula?
'Mass-volume percent' is the ratio of what expressed as a percentage?
'Mass-volume percent' is the ratio of what expressed as a percentage?
'Volume percentage' refers to the ratio of what expressed as a percentage?
'Volume percentage' refers to the ratio of what expressed as a percentage?
What does the term 'solute' refer to in a solution?
What does the term 'solute' refer to in a solution?
How is 'mass percentage' calculated?
How is 'mass percentage' calculated?
What is the unit of concentration defined as the number of moles of solute dissolved in 1 liter of solution?
What is the unit of concentration defined as the number of moles of solute dissolved in 1 liter of solution?
Which term describes the process by which solute components are dispersed in a solvent?
Which term describes the process by which solute components are dispersed in a solvent?
What is the ratio of solute-to-solution mass multiplied by 106 known as?
What is the ratio of solute-to-solution mass multiplied by 106 known as?
The sum of the average masses for all atoms represented in a chemical formula is known as what?
The sum of the average masses for all atoms represented in a chemical formula is known as what?
'Parts per billion (ppb)' is the ratio of solute-to-solution mass multiplied by how much?
'Parts per billion (ppb)' is the ratio of solute-to-solution mass multiplied by how much?
