
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Is the subscript of an element the same as its number of moles? Does the subscript mean how much moles it has?
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- 3.8×1024 PbPb atoms Express your answer using two significant figures. How many moles of atoms are in each elemental sample?arrow_forwardA.How many molecules of nitrogen trifluoride are present in 2.13 moles of this compound? B.How many moles of nitrogen trifluoride are present in 1.50 x 10^22 molecules of this compound?arrow_forwardNow that we have put coefficients of 3 in front of CaSO4 and CaCl2, what coefficient should go in front of AlCl3 to balance both the Cl atoms and the Al atoms? 3CaSO4+?AlCl3-3CaCl2 + Al2(SO4)3 Express your answer numerically as an integer.arrow_forward
- 0 Calculate the number of atoms in a 8.35 x 103 g sample of aluminum. O number of atoms: x10 TOOLS atomsarrow_forward16 gg C6H12O6C6H12O6 Express your answer using two significant figures. How many molecules are in each sample?arrow_forwardUnder certain conditions, carbon atoms can combine to form soccer ball shaped structures known as fullerenes. 12.0 mol of a certain fullerene contains 4.34x1026 carbon atoms. How many atoms of carbon are in one molecule of this fullerene?arrow_forward
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