QUESTION 5 When 25.0 g of CH4 reacts completely with excess chlorine yielding 45.0 g of CH s Cl, what is the percentage yield, according to CH + Cl2CH3Cl + HCI) O a. 57.0 b. 55.6 O c. 43.0 Od.44.4 O. 78.9
QUESTION 8 Tetraphosphorous hexaoxide is formed by the reaction of phosphorous (P4) with oxygen gas. If the reaction of 54.6 g of P4 with 28.6 g of O2 produces 21.0 g of P406. calculate the percent yield for the reaction. Ⓒa. 21.7 Ob. 32.0 ⒸC78.3 Ⓒd.96.9 Ⓒe.65.6
QUESTION 15 Consider that calcium metal reacts with oxygen gas in the air to form calcium oxide. Suppose 7.43 mol of calcium is reacted with 4.00 mol of oxygen gas. Determine the number of moles of calcium left over after the reaction is complete. O a.3.72 mol calcium Ob.2.48 mol calcium i c. 0.57 mol calcium Od.None of these Ⓒe 0.00 mol calcium
QUESTION 5 When 25.0 g of CH4 reacts completely with excess chlorine yielding 45.0 g of CH s Cl, what is the percentage
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