0/23/2017 03:00 PM 2/15 Calculator Gradebo -d Periodic Table stion 2 of8 Sapling
ID: 546051 • Letter: 0
Question
0/23/2017 03:00 PM 2/15 Calculator Gradebo -d Periodic Table stion 2 of8 Sapling Learning Map You wish to find the mass of a sample using a digital balance, but the balance reads 0.02 g before you add your sample. Which of the following statements best describes what you should do? O Put your sample on the balance, press the tare bar, and record the mass. Press the tare bar, wait for the balance to read 0.00, put your sample on the balance, and record the mass. Put your sample on the balance, record the mass, and then subtract 0.02 g. Put your sample on the balance and record the mass. The 0.02 g is within O expected experimental error, so it should be ignored.Explanation / Answer
initial reading is 0.02 g
So, measured mass will be 0.02 g above the actual mass
So, we need to subtract 0.02 g after measuring
Answer: option 3
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