Chemistry, 25.09.2020 14:01 RealStephani
1.8 (a) How many significant figures should be reported for the
volume of the metal bar shown here? (b) If the mass of the bar
is 104.72 g, how many significant figures should be reported
when its density is determined using the calculated volume?
[Section 1.5]
2.5 cm
1.25 cm
5.30 cm
Answers: 3
Chemistry, 22.06.2019 07:30, bbyniah123
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
Chemistry, 22.06.2019 12:30, Svetakotok
Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
Answers: 2
1.8 (a) How many significant figures should be reported for the
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