Name Date: Section: Homework sheet: Unit 3 and Unit-4 (20 points). Fill in the b
ID: 197128 • Letter: N
Question
Name Date: Section: Homework sheet: Unit 3 and Unit-4 (20 points). Fill in the blank spaces and the answers to the questions Print, fill in the answers with black or blue pen and turn it in. Scratches will lose points. The sheet has 3 pages. 3.2 Accurately determining pH 3 pts) pH Describe State if the buffer is acidic, ba r State if the buffer (except State if it is buffer color neutral pH acidic has more H+ ions or OH- 10 12 1.What is the name of the plant pigment found in the abbage extract? 2. Name the three techniques that you used to determine H? Rank the techniques in order from most accurate to least 3.accurate? 4 What should be done to the pH meter before using it to measure pH?Explanation / Answer
1) The following are in the order of the table:
pH buffer 2.0:
pH 4.0:
pH 6.0:
pH 7.0
pH 10.0
pH 12.0
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