If you had excess chlorine, how many moles of of aluminum chloride could be produced from 31.0 g of aluminum Express your answer to three slgnificant figures and Include the appropriate units. > Vlew Avallable Hint(s)

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Gaseous ethane (CH,CH,) reacts with gaseous oxygen gas (o,) to produce gaseous carbon dioxide (co,) and gaseous water (H,0). If 1.08 g of carbon dioxide is produced from the reaction of 2.7 g of ethane and 2.8 g of oxygen gas, calculate the percent yield of carbon dioxide. Round your answer to 2 significant figures. alo O %

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What is the mass percent of carbon in the following compound?C4H10 O4Enter your answer as a PERCENTAGE WITHOUT UNITS

How many molecules (not moles) of NH3 are produced from 7.43×10-4 g of H2? Express your answer numerically as the number of molecules. • View Available Hint(s) 2.47 • 10-4 molecules Submit Previous Answers X Incorrect; Try Again; 3 attempts remaining

14 of 19 Review I Constants I Periodic Table limiting reactant. Part B How many moles of PCI5 can be produced from 25.0 g of P4 (and excess Cl2)? Express your answer to three significant figures and include the appropriate units. View Available Hint(s) HA ? 202 mol Previous Answers Submit XIncorrect; Try Again; 5 attempts remaining Your answer is the number of moles of P4. Now use this value and the coefficient for PCI5 in the balanced chemical equation to find the number of moles of PCl,. P Pearson F12 II F8 F11 F10 F9 F7 F6 & delete 7 } P U enter II K return ? shift +II

How to calculate moles from a chemical reaction? e.g. the question below. Any info would help!   1. How many moles of H3PO4 are made when 1.45 moles of P4O10 react?