
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Calculate the number of Na atoms in 2.56 g of NaNO3 (
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- See the example in Introduction for set-up of calculations. Calculate the number of a) moles of F b) atoms of F in 32.5 g of fluorine gas, F 2 .arrow_forward1. Calculate the number of moles of chlorine in 2.34 x 1019 molecules of chlorine. 2. Calculate the number of molecules of water in a 500.0-mL glass of water. (Note: assume density of water is 1.000 g/mL) 3. Calculate the number of moles of carbon atoms in 50.0 g CS2. 4. Calculate the molar mass of potassium carbonate, K2CO3.arrow_forwardCalculate the mass of chlorine atoms in 5.0x1020 molecules of iodine trichloride, ICl3. Mmass ICl3 = 233.26 g/molarrow_forward
- A 3.000 g sample of a gaseous compound was found to contain 2.560 g of carbon and 0.440 g of hydrogen. A) What is the simplest formula of the compound (Write C first and then H)? You won't be able to make the numbers a subscript. For instance, for MgCl2 enter MgCl2. B) The molar mass of the compound was found to be 42.08 g/mol. What is the molecular formula of the compound? You won't be able to make the numbers a subscript. For instance, for MgCl2 enter MgCl2.arrow_forwardThe formula of ytterbium(III) oxide is Yb₂O₃. What is the percent by mass of oxygen in ytterbium(III) oxide?arrow_forward
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