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Mass-to-Mass Stoichiometric Calculations

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

3.9g of potassium reacts with water to produce potassium hydroxide and hydrogen gas. Calculate the mass of potassium hydroxide produced.

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1. How is mass of a substance connected to its amount in mole(s)?

2. The starting point of a stoichiometric problem is _____.

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About This Quiz & Worksheet

The questions will mainly deal with definitions of key terms. These questions will give you a definition and you will need to select the correct term. Other questions will ask you to identify the correct steps in a stoichiometric calculation. Still others will explore your ability to make basic predictions about the amount of a product.

Quiz & Worksheet Goals

The assessment will test you on the following concepts:

  • Conversion needed in most stoichiometry calculations
  • Connection of mass to moles
  • Starting point in performing a correct stoichiometry problem

Skills Practiced

You will practice the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related chemistry lesson
  • Problem solving - use acquired knowledge to solve mass-to-mass stoichiometry practice problems
  • Information recall - access the knowledge you've gained regarding mathematical conversions

Additional Learning

After you finish the quiz, make sure to read the lesson titled Mass-to-Mass Stoichiometric Calculations. This partner lesson will help you further understand the various nuances related to this topic. It will cover:

  • Defining mole ratios
  • Relating mole ratios to the mass of a substance
  • Walking through examples of how to determine the mass of a substance
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