15. Capillary columns are open tubular columns constructed from which of the following materials? a) Glass b) Metal c) Stainless steel d) Fused silica 16. The Calcium Ca² (40.08 g/mol) in a 200 ml sample was precipitated and ignited to give CaO (56.08 g/mol) a weight of 0.1132 g Calculate the mass of Ca/100 ml? a) 40.38 b) 0.040 c) 46.04 d) 33.32 17. The difference between the experimental value and the true value is called: a) relative error b) precision c) accuracy d) absolute error
15. Capillary columns are open tubular columns constructed from which of the following materials? a) Glass b) Metal c) Stainless steel d) Fused silica 16. The Calcium Ca² (40.08 g/mol) in a 200 ml sample was precipitated and ignited to give CaO (56.08 g/mol) a weight of 0.1132 g Calculate the mass of Ca/100 ml? a) 40.38 b) 0.040 c) 46.04 d) 33.32 17. The difference between the experimental value and the true value is called: a) relative error b) precision c) accuracy d) absolute error
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter18: Representative Metals, Metalloids, And Nonmetals
Section: Chapter Questions
Problem 115E: A mixture of xenon and ?uorine was heated. A sample of the white solid that formed reacted with...
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Q15 and Q16 and Q17 please
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