Introduction

Are you struggling with the Moles Gizmo Worksheet? Do you need help understanding the answer key? Look no further! In this article, we will go over the Moles Gizmo Worksheet answer key and provide explanations for each question.

What is the Moles Gizmo Worksheet?

The Moles Gizmo Worksheet is a tool used to help students understand the concept of moles in chemistry. The worksheet includes various questions and activities that test the student’s knowledge of moles and their applications.

Question 1

The first question on the worksheet asks the student to calculate the number of moles in a given sample. The answer key shows that the formula used to calculate this is mass/molar mass. The answer to this question should be in moles.

Question 2

Question 2 on the worksheet asks the student to calculate the mass of a sample given the number of moles. The answer key shows that the formula used to calculate this is moles x molar mass. The answer to this question should be in grams.

Question 3

The third question on the worksheet asks the student to calculate the molar mass of a given compound. The answer key shows that the formula used to calculate this is mass/moles. The answer to this question should be in grams per mole.

Question 4

Question 4 on the worksheet asks the student to calculate the percent composition of a given compound. The answer key shows that the formula used to calculate this is (mass of element/molar mass of compound) x 100. The answer to this question should be in percent.

Question 5

The fifth question on the worksheet asks the student to balance a chemical equation. The answer key shows the balanced equation and the coefficients used to balance it.

Question 6

Question 6 on the worksheet asks the student to calculate the number of atoms in a given sample. The answer key shows the formula used to calculate this is moles x Avogadro’s number. The answer to this question should be in atoms.

Question 7

The seventh question on the worksheet asks the student to determine the limiting reactant in a chemical reaction. The answer key shows the calculations used to determine the limiting reactant and the final answer.

Question 8

Question 8 on the worksheet asks the student to calculate the theoretical yield of a chemical reaction. The answer key shows the formula used to calculate this and the final answer.

Question 9

The ninth question on the worksheet asks the student to calculate the percent yield of a chemical reaction. The answer key shows the formula used to calculate this and the final answer.

Question 10

Question 10 on the worksheet asks the student to determine the empirical formula of a compound. The answer key shows the formula used to calculate this and the final answer.

Conclusion

The Moles Gizmo Worksheet can be a challenging tool for students learning about moles in chemistry. However, with the help of this answer key, students can gain a better understanding of the concepts and improve their performance. We hope this article has been helpful in explaining the Moles Gizmo Worksheet answer key.