ACIDS AND BASES

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Data: Your data Class Average Volume of HCl used _________ ml _________ ml Initial NaOH burette reading _________ ml Ending NaOH burette reading _________ ml Volume of NaOH added _________ ml _________ ml Molarity of NaOH 0.1 M 0.1 M Calculations: Find the Molarity of HCl based on the class average and the formula in your introduction section. Questions: 1. What is the molar mass of HCl? Explain in words how you know. (Go back to the previous packet if you need to remind yourself what molar mass is). 2. How many moles of HCl were in the 20 ml of HCl that we used? Explain in words how you know. 28
3. Your stomach acid contains 0.1 M HCl. Why do you think this may be? Research: Why is a human’s stomach acidic? Website citation: How do you know this is a reliable website? Based on the website, why do humans have an acidic environment in their stomachs? What quotes from the reading tell you that? Write them below. Round Robin: Share your answers with your table. Go around and everyone at your table should share their novel ideas. What new information did you hear from your table partners? Write them below. ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ 29
Page 1 and 2: Name __________________________ Aci
Page 3 and 4: Work with your table to see if the
Page 5 and 6: Complete the Venn Diagram below wit
Page 7 and 8: Complete the stages for the second
Page 9 and 10: Therefore, what is the range of pH
Page 11 and 12: Data: Liquid pH Conclusion: 1. Was
Page 13 and 14: Share your thought bubble with your
Page 15 and 16: Activity 2 In this activity you and
Page 17 and 18: ___________________________________
Page 19 and 20: 3. What is the molarity of an acidi
Page 22 and 23: Add the vocabulary words above to y
Page 24 and 25: Lab: Acid-Base Titration In this la
Page 26 and 27: Watch your teacher perform the samp
Page 30: Vocabulary Mobile: Go back through

ACIDS AND BASES

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