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REMINDER: Use UNITS on ALL DATA and show how units cancel to yield the desired target answer with its units! NO CREDIT IF YOu wo QUESTION IN THE ANSWER BOX BUT SHOW YOUR SOLUTION TO THE LEFT OF THE BOX. 5. How many grams are represented by the stated quantity? ORK WITHOUT UNITS! TO Hint: 1 mole of molecules of any compound equals the molar mass of that compound The molar mass of C6H120.-( 12*6) + (1 * 12) + (16*6) = 180 grams/mole a. 6.11 moles CH120 b. 1.89 moles O2 c. 6.61 moles NaHCO, 6. How many moles are represented by Hint: find the molar mass for each compound and use it to convert grams to moles. a. 26.32 grams C2H b. 35.87 grams O c. 68.34 grams CHi20 Hint: Notice in the balanced equation that 4 atoms of K react with 2 atoms of S. You can make a ratio 7. For the reaction 4K+25 â 2K,S, how many atoms of sulfur will react with 52 atoms of K? of this relationship and solve the problem as follows: atoms K x 2 atoms S 4 atoms K
REMINDER: Use UNITS on ALL DATA and show how units cancel to yield the desired target answer with its units! NO CREDIT IF YOu wo QUESTION IN THE ANSWER BOX BUT SHOW YOUR SOLUTION TO THE LEFT OF THE BOX. 5. How many grams are represented by the stated quantity? ORK WITHOUT UNITS! TO Hint: 1 mole of molecules of any compound equals the molar mass of that compound The molar mass of C6H120.-( 12*6) + (1 * 12) + (16*6) = 180 grams/mole a. 6.11 moles CH120 b. 1.89 moles O2 c. 6.61 moles NaHCO, 6. How many moles are represented by Hint: find the molar mass for each compound and use it to convert grams to moles. a. 26.32 grams C2H b. 35.87 grams O c. 68.34 grams CHi20 Hint: Notice in the balanced equation that 4 atoms of K react with 2 atoms of S. You can make a ratio 7. For the reaction 4K+25 â 2K,S, how many atoms of sulfur will react with 52 atoms of K? of this relationship and solve the problem as follows: atoms K x 2 atoms S 4 atoms K
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Casey DurganLv2
23 Aug 2019
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