What is the molecular mass (in g/mol) of a gaseous element if 4.10 g occupies 7.41 L at 534.80 torr and 39.6 oC?
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What is the molecular mass (in g/mol) of a gaseous element if 4.10 g occupies 7.41...
What is the molecular weight of a pure gaseous compound having a density of 4.95 g/L at -35 oC and 1020 torr?
What is the molecular weight of a pure gaseous compound having a density of 4.95 g/L at -35°C and 1020 torr? 120 g/mol 44 g/mol 11 g/mol 72 mol 24 g/mol
What is the molecular weight of a pure gaseous compound having a density of 4.95 g/L at -35°C and 1020 torr? 120 g/mol 44 g/mol 11 g/mol 72 g/mol 24 g/mol
A 0.271-g sample of a gaseous hydrocarbon (CxHy) occupies 226 mL at 22.0 ºC at 735 torr. Calculate the molar mass of this hydrocarbon in g/mol. Express your answer as a number (not scientific notation) without units; for full credit, the last digit of your answer should be within ±1 of the correct value, with an appropriate number of significant figures. Molar mass: Answer g/mol. Complete combustion of 1.532 g of this gaseous hydrocarbon (CxHy) yields 4.484 g of carbon...
Gaseous hydrocarbon A 0.271-9 sample of a gaseous hydrocarbon (CxHy) occupies 117 mL at 22.0°C at 735 torr. Calculate the molar mass of this hydrocarbon in g/mol. Express your answer as a number (not scientific notation) without units, for full credit, the last digit of your answer should be within 11 of the correct value, with an appropriate number of significant figures. Molar mass: g/mol. Complete combustion of 1.532 g of this gaseous hydrocarbon (CxHy) yields 4.640 g of carbon...
A gaseous sample of a compound has a gas density of 0.647 g/L at 694 torr and 20 °C. What is the 4. molar mass of this compound? If this compound contains only nitrogen and hydrogen, and is 82.2% nitrogen by mass, what is its molecular formula? 5. What is the density in g/L of neon gas at STP?
A generic salt, AB2, has a molar mass of 267 g/mol and a solubility of 4.10 g/L at 25 °C. What is the Ksp of this salt at 25 °C?
A gaseous sample of a compound has a mass of 2.94 grams. This sample occupies a volume of 407 milliliters at a pressure of 3.21 atmospheres and a temperature of 150.0 °C. What is the molecular weight of this gaseous compound? A) 27.7 grams/mole B) 45.1 grams/mole C) 78.1 grams/mole D) 111 grams/mole
A gaseous compound has a density of 1.76 g/L at 21.3 °C and 1.10 atm. What is the molar mass of the compound? g/mol Molar mass =
a. What is the molecular weight of 3.7 g of an unknown gas that occupies 450 mL at 20.0°C and 2.0 atm? The value of R 0.0821 L atm mol K-1 b. Aluminum and oxygen react to form aluminum oxide. How many L of oxygen at 296 K and 1.4 atm of pressure are necessary to form 3.25 g of aluminum oxide?