what is the molar mass of a gas if 1.15 of the gas has a volume of 224 ml at stp
2. A sample of gas has a mass of 0.0388g; Its volume is 224 mL at a temperature of 55 C and a pressure of 886 torr. Find the molar mass of the gas. Given: R-0.0821 L.atm.mol" .K (2pt)
It is found that 250 mL of a gas at STP has a mass of 0.496 g. What is the molar mass of the gas?
A given mass of gas occupies a volume of 285 mL at 24°C and 741 mmHg. What will be the new volume at STP? Volume= mL
A sample of ammonia gas has a volume of 40.0 mL at STP. What is the Celsius temperature if the volume is 550.0 mL at 500 mmHg ?
a 40.0 mg sample of a gas occupies 25.00 mL at STP. calculate the molar mass.
A sample of gas has a volume of 400. mL at STP. What will be its volume at 20.0 C and 700, torr? A. 343 mL B.2660 mL C.466 mL D.60.1 mL
11.6 g of a Gas that has a volume of 2.00l at stp
12. Using either the molar volume (STP) or the ideal gas law equation (whichever is appropriate), determine the molar mas, in g/mol, of each of the following: a. 11.6 g of a gas that has a volume of 2.00L at STP b. 0.726 g of a gas that has a volume of 855 mL at 1.20 atm at 18°C 2.32 g of a gas that has a...
2. An unknown gas has a density of 0.714 g/L at STP. What is the molar mass of the unknown gas? 3. What is the molar mass of a gas if 0.891 liters at 20.0°C and 1.20 atm weighs 3.17 g? 4. Acetylene gas, CH2, reacts with oxygen gas to produce gaseous carbon dioxide and liquid water. Write the balanced equation for this reaction. What volume of CO2 is produced at STP from 5.00 g 02? 5. What is the...
-n Avogadro's Law and Molar Volume at STP (1.00 mole of any gas-22.4 L at STP) 11. ゴog Na × mol -1.78 mol n, 50.0 g of nitrogen (N2) has a volume of-一liters at STP. 18 met I mo V= 39.9 L 12. 1.00 x 10 g of oxygen (O2) is added to the gas in Question 11. What is the volume of the combined gases at STP? 13· What is the density of carbon dioxide at STP in grams...
* Question 7 * Incorrect. Did you use the mass of gas occupying the STP molar volume of 22.4 L to convert g to L. (found in hint)? What volume would result if a balloon were filled with 5.5 g of hydrogen gas at STP? 6.16 the tolerance is +/-2%