Here is the update for today:
Chemistry 1:
• HW #33 (Due tomorrow): Holt - Read pp. 224-233, Do p. 233 #1, 6, 7.
• For those of you who were here for Monday's lab but did not get a chance to do the experiment, here is the experimental data you need to be able to complete the lab.:
1. 26.4 grams; 3. 29.5 grams; 7. 27.6 grams;
• Molecular mass of water molecule is 18.02 g/mol;
Q1.: appearance of sodium phosphate before heating were white crystalline grains which reflects light, whereas afterward were coalesced chunks with opaque white color.
• Reminder: Lab. #13 report due Monday.
Living Environment Prep:
• Exam tomorrow! Study hard!
• Complete lab. write-up for tomorrow, it would serves as an useful practice.
Dr. Liu
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