AQA GCSE Chemistry - Quantitative Chemistry Already Graded A+
1. What is Avogadro's constant?
Answer: Avogadro's constant is the number of atoms, molecules, or ions in a mole of any substance,
which is equal to 6.02 × 10^23 per mole.
2. How is concentration defined?
Answer: Concentration...
AQA GCSE Chemistry - Quantitative Chemistry Already Graded A+
1. What is Avogadro's constant?
Answer: Avogadro's constant is the number of atoms, molecules, or ions in a mole of any substance,
which is equal to 6.02 × 10^23 per mole.
2. How is concentration defined?
Answer: Concentration is the amount of a substance dissolved in a given volume of liquid.
3. What is the limiting reactant in a chemical reaction?
Answer: The limiting reactant is the reactant that is consumed first and stops the reaction from
proceeding further.
4. What is a mole?
Answer: A mole is the amount of substance in the relative atomic or formula mass of a substance in
grams.
5. What is the relative atomic mass of an element?
Answer: The relative atomic mass of an element is the average mass of its atoms compared to carbon-
12, which has a mass of exactly 12 units.
6. What is the relative formula mass of a substance?
Answer: The relative formula mass of a substance is the sum of the relative atomic masses of its
elements, added up in the ratio shown in its chemical formula.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller bestscores1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.30. You're not tied to anything after your purchase.