PERCENT COMPOSITION WORKSHEET Find the percent composition or mass percent of each element in the following compounds: 1.
A compound made up of 3.40 g of Al and 2.41 g of Cl.
Al : ___________ Cl : ___________ 2.
10.23354 g of BeF2 contains 5.64682 g of Be.
Be : ____________ F : ____________
3.
Find the percent composition of all the elements in the following compounds.
a. CuBr2
b. (NH4)2S
Mole #7
Chemistry 2202
Name:
4.
Diethyl oxalate is a solvent used in some perfumes. Its empirical formula is C3H5O2, and molar mass is 146.14 g/mol. What is the molecular formula of diethyl oxalate?
5.
Progesterone is a female hormone. It is 80.2% C, 9.62% H and 10.2% O by mass. Determine the empirical formula of progesterone.
6.
Potassium tartrate is a colourless, crystalline solid. It is 34.6% K, 21.1% C, 1.78% H, and 42.4% O by mass. (a) Calculate the empirical formula of potassium tartrate.
(b) If the molar mass of potassium tartrate is 226 g/mol, what is the molecular formula?
There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. Mole #7.pdf.
There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. Mole to Mole ...
Mole is a chemist's unit of counting particles such as atoms, molecules, ions, electrons, protons etc. which represents a value of 6.022 1023 just as a dozen for ...
Page 1 of 2. Mole #7 Chemistry 2202 Name: PERCENT COMPOSITION WORKSHEET. Find the percent composition or mass percent of each element in the following compounds: 1. A compound made up of 3.40 g of Al and 2.41 g of Cl. Al : ______. Cl : ______. 2. 10.
There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. Mole Ratio Worksheet Answers.pdf. Mole Ratio Worksheet Answers.pdf. Open. Extract. Open with. Sign In. Main
Loading⦠Whoops! There was a problem loading more pages. Whoops! There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. 23 Mole Ratios-S.pdf. 23 Mole Ratios-S.pd
There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. Mole Ratio Notes Filled In.pdf. Mole Ratio Notes Filled In.pdf. Open. Extract. Open with. Sign In. Main menu
Page 1 of 2. Mole Control and Extermination Portland. Call Today (503) 579-3680. https://www.naturefirstpest.com/moles/. The Mole Invasion has started, and we are ready for them. Nature First has over 25 years of. experience in trapping our local Mol
of zinc sulphide is: (a) ZnS? (b) ZnS2? (c) Zn3S2? 5. A compound of copper and oxygen contains 13.073 g Cu and 1.647 g O. Oxygen has an atomic mass of. 16.0 u. (a) What is the ... Airline regulations prohibit lithium metal batteries that contain over
1 Corresponding Author. E-mail: [email protected] .... mination of mass, each salamander was confined ..... Savannah River unit of the USDA Forest Service.
2 Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali 671003, China. 3 University of Chinese Academy of Sciences, Beijing 100049, China. Abstract. Little is known about the ecology and evolution of the Gansu mole (Scapanulus ow
regulations, some basic questions remain elusive: How systematically does this problem exist in practice? .... Stock Exchanges) from the database of China Stock Market and Accounting Research (CSMAR) .... underlying stocks during the Chinese warrants
Book synopsis. The "Mobile Learning Environment (MoLE) Project: a global technology initiative," was a two-year project that included e-Learning and medical ...
Whoops! There was a problem loading this page. Retrying... Page 2 of 7. My favorite part of the story is on. page ___. I like this part because. ///////////////////////////////.
Blinder (2008) described the policy actions taken by the Federal Reserve Board in 2008 to tame the ... financial institutions in the U.S. in the aftermath of the 2008 financial crisis and new payday rules enacted ..... 9 See Liu, Zhang, and Zhao (201
Allen, Franklin, Jun Qian, Susan Chenyu Shan, and Julie Lei Zhu (2017), Dissecting the ... Jones, Charles and Paul Seguin (1997), Transaction costs and price ...