Amount of Substance на пк

1. This A Level ad-free and subscription-free app automatically generates questions on the following topics: Avogadro's Constant, Relative Atomic Mass, TOF Mass Spectrometry, Mr and Percentage by Mass, Empirical Formula, Calculating Moles, Reacting Masses, Limiting Reagents, Percentage Yield, Atom Economy, Concentration of Solutions, Titration Calculations, Back Titrations, Water of Crystallisation, Gas Volumes, The Ideal Gas Equation (PV=nRT) and Redox Titrations.

2. Markschemes are available along with a "Add to Favourites" button which can store questions if users want to review them later.

3. The topics, and most importantly the questions within, have been carefully sequenced so that complexity increases as users progress through the chapters.

4. Users can test themselves on questions from different topics in this section.

5. Five mini review tests are available to help check on progress once a number of topics have been attempted.

6. When the quiz is completed, users can review the markschemes and are offered feedback if the question is not completed correctly.

7. The page gives access to the the "Practice" and "Quiz" features of the app (button left and button right respectively).

8. These questions can be accessed in the Favourites section, on the Amount of Substance page.

9. The Quiz section allows users to test themselves once mastery is achieved.

10. There is also a periodic table button which gives information about relative atomic masses of chemical elements.

11. The numbers for each question are automatically generated so this should allow users to continually practice their skills.

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