bazsinghnagoke
02.10.2019 •
Chemistry
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(02.03 mc)
josh heated a certain amount of blue copper sulfate crystals to get 2.1 g of white copper sulfate powder and 1.4 g of water. what is most likely the mass of the blue copper sulfate that he heated and why?
2.1 g, mass of the copper sulfate is conserved
2.1 g, mass of reactant changes during chemical change
3.5 g, mass increases when chemical composition changes
3.5 g, mass is conserved during physical and chemical changes
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Ответ:
Ответ:
Hi!
Assuming the 9in is the radius, we would multiply it by 2, or add it to itself. We then get 18 in.
Hope this helps!