Which of the following procedures describes the best method of obtaining the accurate mass of a sample in the laboratory?
A. Zero the balance and then weigh the sample on the balance.
B. Use two different balances to weigh the sample and average the two weights together.
C. Check the balance for accuracy using a known weight weigh the sample three times on the balance, and use the average of the three masses.
D. Obtain the mass using a balance, remove the sample, re-zero or tare the balance and then weigh the sample a second time.
Answers: 3
Biology, 21.06.2019 19:00
Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary
Answers: 1
Biology, 22.06.2019 00:20
Apart of an ecosystem that can restrict the growth of a population is referred to as
Answers: 1
Biology, 22.06.2019 04:00
What is the difference between how ionic and covalent bonds form
Answers: 1
Which of the following procedures describes the best method of obtaining the accurate mass of a samp...
History, 07.10.2019 15:00
Mathematics, 07.10.2019 15:00
Mathematics, 07.10.2019 15:00
Mathematics, 07.10.2019 15:00
Physics, 07.10.2019 15:00
Computers and Technology, 07.10.2019 15:00
History, 07.10.2019 15:00
Mathematics, 07.10.2019 15:00
History, 07.10.2019 15:00
Mathematics, 07.10.2019 15:00
World Languages, 07.10.2019 15:00
English, 07.10.2019 15:00