Week 23:  22 February to 26 February 2021

22 February 2021:

In Class:  Empirical and Molecular Formulas (Chapter 5:3 to 5:6) and Percent Composition (Chapter 5:19 to 5:20).

Expectations:  Students will be able to calculate molecular formulas.

Expectations:  Students will be able to calculate the percent composition in a chemical formula.

Homework:  Finish the Empirical and Molecular Formula Worksheet.
Here is the Empirical and Molecular Formula Answer Key to help you.

23 February 2021:

Lab 18b:
Analysis of the Precision in Gravimetric Measurement Lab from an Excel spreadsheet.

Expectations:  Students will be able to analyze data in an Excel file.

In Class:  Calculating mass from moles and moles from mass.  (Chapter 5:20 to 5:21)

Expectations:  Students will be able to calculate mass mole problems.

Due:  The Empirical and Molecular Formula Worksheet.

Homework:  Finish the Percent Composition Worksheet.
Here is the Percent Composition Answer Key to help you.

24 February 2021:

In Class:  Finish balancing chemical equations.  (Chapter 5:4 to 5:6)

Expectations:  Students will be able to add coefficients to balance formula equations.

Due:  The Percent Composition Worksheet.

Homework:  Finish the Moles and Mass Worksheet.
Here is the Moles and Mass Answer Key to help you.

25 and 26 February 2021:

Lab 20a:
Use the double block to complete data collection for the Composition of a Hydrate Lab.

Expectations:  Students will be able to use mole ratios to calculate molecular formulas.

Due:  The Moles and Mass Worksheet.

Homework:  Begin the Balancing Equations Worksheet.
Here is the Balancing Equations Answer Key to help you.

Note:  3^rd quarter ends 8 April 2022.