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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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
Transcribed Image Text:The list of the atoms in a compound is the.
formula:
O A. molecular
B. unit
C. empirical
O D. simplified
Moving to another question will save this response.
6.
11
étv
MacBook Air
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- Think about how to determine the molar mass of NH₂OH. In that amount of ammonium hydroxide, how many moles would you have? In other words, the molar mass of any compound is equal to A. 2 moles B. 1 mole C. 4 moles D. 0.5 molesarrow_forwardDirections. Calculate for the empirical formula of a given compound given their percentage composition and vice versa. (Note: You may use another sheet of paper to show your solution) 1. An analytical chemist determines that a compound of phosphorus and oxygen contains 43.64% P and 56.36% O. Find the empirical formula of the compound. 2. Find the empirical formula of a compound that contains 42.05% of Nitrogen and 95.95% of Oxygen.arrow_forwardone mole of aluminum contains how many atoms of aluminumarrow_forward
- An organic compound is known to contain only carbon, hydrogen, and oxygen. The compound contains, by mass, 39.1% of carbon and 8.7% of hydrogen. The number of carbon atoms in the empirical formula isSelect one: A. 2 B. 3 C. 4arrow_forwardCalculate the number of moles for 425g of KOH. A. 7.59 mol B. 16.5 mol C. 4.65 mol D. 1.25 molarrow_forward3. Aluminum oxide has the empirical formula of AlsOy a. Calculate the % aluminum in Al,O, using the chemical formula. b. Calculate the % error for the percent aluminum calculated in question 2. COPYRIGHT 2013 Cengage Learningarrow_forward
- Which of the following molecules containing nitrogen and oxygen has identical empirical and molecular formulas? A. NO B. NO2 C. N2O D.N2O4arrow_forwardHow do you Convert the mass of the following compounds to moles? a. 55 grams NaCl ________________ b. 47 grams of SbHFBr _________________________arrow_forwardHow many moles are in 18.5 g helium? Select one: a. none of these b. 4.62 mol c. 0.894 mol d. 4.63 mol e. 2.36 mol f. 0.0893 mol g. 2.35 molarrow_forward
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