enji U U Question 16 What is the correct value for Avogadro's number? n 6.022 x 10³3 06.023 x 1022 6.022 x 1023 6.022 x
Posted: Tue Jul 05, 2022 9:15 am
Question 16 What is the correct value for Avogadro's number? n 6.022 x 10³3 06.023 x 1022 6.022 x 1023 6.022 x 102 Question 17 One mole of O₂ has a mass of Ⓒ32.0 16.0 6.022 x 10 8 Question 18 How many atoms are in 15.6 grams of silicon? 438 264 x 10 0.555 3.34 x 10² Question 19 What is the mass percent of hydrogen in water?
Question 19 What is the mass percent of hydrogen in water? 33.3 11.2 5.60 88.8 Question 20 A compound has a molar mass of 180.18 g/mol. Given the following percent composition, calculate the molecular formula: 39.999 ⒸC₂H₂O₂ CHyOz CH₂0 C₂H12O6 Question 21 How many moles of fluorine are in 3.2 moles of xenon hexafluoride? 19.2 224 16 12.8 Question 22 A 15.5 gram sample of diphosphorus pentoxide contains how many grams of phosphorus? 1.69
Question 22 D A 15.5 gram sample of diphosphorus pentoxide contains how many grams of phosphorus? 1.69 3.38 D 6.76 135 A Question 23 What is the correct formula for potassium dichromate? K₂Cr₂O7 KCr₂O K₂CrO₂ KICO Question 24 The charge of a vanadium ion in the compound V O, is 0.5+ 10- 24 10+ Question 25 What is the name of HIO₂? hydodos acid odeun act lodic acid
enji U U Question 19 What is the mass percent of hydrogen in water? 33.3 11.2 5.60 88.8 Question 20 A compound has a molar mass of 180.18 g/mol. Given the following percent composition, calculate the molecular formula: 39.999 ⒸC₂H₂O₂ CHyOz CH₂0 C₂H12O6 Question 21 How many moles of fluorine are in 3.2 moles of xenon hexafluoride? 19.2 224 16 12.8 Question 22 A 15.5 gram sample of diphosphorus pentoxide contains how many grams of phosphorus? 1.69
Question 22 D A 15.5 gram sample of diphosphorus pentoxide contains how many grams of phosphorus? 1.69 3.38 D 6.76 135 A Question 23 What is the correct formula for potassium dichromate? K₂Cr₂O7 KCr₂O K₂CrO₂ KICO Question 24 The charge of a vanadium ion in the compound V O, is 0.5+ 10- 24 10+ Question 25 What is the name of HIO₂? hydodos acid odeun act lodic acid