
What is the mass of 1.20 x 1024 molecules of sulfur dioxide, SO2?
how many moles of SO2 molecules are in 72000 SO2 molecules?
Calculate the number of SO2 molecules in 9.37 moles of SO2.
Calculate the mass in grams of each sample. 2.3×1022 SO2 molecules. = ______ g Express your answer using two significant figures. 4.3×1025 O3 molecules =________ g Express your answer using two significant figures. 9.30×1019 CH4 molecules =________ g Express your answer using three significant figures.
Compound Mass Moles # of Molecules H2O 115kg ? ? N2O 5.59g ? ? SO2 ? 2.46 ? CH2Cl2 ? 0.0598 ? Complete the third column of the table. Enter your answers numerically separated by a comma. νH2O, νN2O = Complete the fourth column of the table. Enter your answers numerically separated by commas. NH2O, NN2O, NSO2, NCH2Cl2 =
Determine the number of molecules of SO2 contained in 49.5 g of SO2.
Be sure to answer all parts. How many SO2 molecules are in 2.07 mol of SO2? How many sulfur atoms and oxygen atoms are there? a) × 10 SO2 molecules Enter your answer in scientific notation. b) × 10 S atoms Enter your answer in scientific notation. c) × 10 O atoms Enter your answer in scientific notation.
Which of the molecules below will be polar? CS2, BF3, SO2, CH3Br CH3Br only CS2 only Both BF3 and CH3Br Both SO2 and CH3Br
6. What is the energy released in this ß nuclear reaction 140.910962 u) Ba → La + le? (The atomic mass of 141 Ba is 140.914411 u and that of MLa is 57 MeV
6. What is the energy released in this ß nuclear reaction 140.910962 u) Ba → La + le? (The atomic mass of 141 Ba is 140.914411 u and that of MLa is 57 MeV
Which of the following molecules are polar: Cl2, CO2, BF3, NO, SO2, XeF4 Group of answer choices NO, SO2 only Cl2, CO2 only NO, XeF4 only BF3, XeF4 only