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Which of these can be classified as a pure substance a) salt water b) salt c)pumpkin pie d) iced tea
answered
Feb 6, 2018
Chemistry
middle-school
4
votes
46.8k
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A chemist prepares a solution of iron(II) bromide FeBr2 by measuring out 0.55kg of iron(II) bromide into a 500.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration
answered
Dec 15, 2017
Chemistry
high-school
5
votes
105k
views
One effect of the building of the transcontinental railroad was to
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Jul 13, 2017
History
high-school
3
votes
66.9k
views
Why does a match not light in the center of a bunsen burner flame
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Jan 11, 2017
Chemistry
middle-school
2
votes
110k
views
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