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Chemistry, 23.06.2019 00:30
An unknown insoluble substance displaced the water shown. it's mass is indicated on the triple beam balance. mass = a. 694 b. 693.5 c. 693.0 d.693.8
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The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?
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How many grams of iron can be made from 16.5 grams of fe2o3
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Chemistry, 23.06.2019 05:00
Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.
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How many grams are there in 5.0 x 10^25 molecules of H2? Round to the tenths places....
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