{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

CHEM - 19.55 g of stuff(lead sulfite-We won’t use all the...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Challenge Assumptions! No evidence for atoms. However, we do have evidence for elements. Mass is conserved. Observations of Mass We have a sample of 100.0 g of copper carbonate of: - 51.5 g copper - 9.7 g carbon - 38.8 g oxygen Observation: Copper carbonate always has the same proportions. Conclusion: Law of definite proportions 18 g of lead and 1.55 g sulfur Hypothesize:
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 19.55 g of stuff (lead sulfite)-We won’t use all the lead /sulfur. Products: 11.55 g of lead sulfide and 8 g of lead 10 g of lead and 3 g sulfur Products: 11.55 g of lead of lead sulfide and 1.45 g of sulfur 1 g N 2.28 g O 1 g N 1.14 g O 1 g N 0.57 g O Proof of atoms Law of multiple proportions CuCO3 Cu = 63.54 C = 12.01 O = 16.00 x 3 = 48.00...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern