Course Hero Logo

Lab 7.docx - 1. a has no color no smell b also tested...

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 1 out of 1 page.

1.a)has no color, no smellb)also tested with dried cobalt chloride test paper, that became white/pink color, showing that substance we got is water.2. a) temperature changeb) a change in colour (white --> blue) denotes chemical change/reaction.3. CuSO4•5H2O --> CuSO4 + 5H2O 4. Depends on how much it was heated. Obviously heat radiation would of being given out, but assuming that is too small to be measured
End of preview. Want to read the entire page?

Upload your study docs or become a

Course Hero member to access this document

Term
Spring
Professor
James
Tags
Heat, 0 05 g, 0 05g, 3 02g, 37 07, 3 07g

Unformatted text preview: by the scales. Then it is possible the unknown was heated to a point, where it can start to evaporate. 5. a)Constant weight is essentially achieved when the sample is heated and weighed in successing heatings until the weight differs by no more than 0.05 g. 3.07g-0.05g= 3.02g. b)% H2O= mass lost/ mass of sample x 100% 1.8053/4.8702 x 100%= 37.07%...
View Full Document

Newly uploaded documents

Show More

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture