1.30 g of an unknown gas at STP fills a 500. mL flask. What is the molar mass of the gas?

Q: If 10.0 L of a gas at STP has a mass of 19.5 g, calculate the molar mass of the gas

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Q: A sample of unknown gas has a mass of 2.85 g and occupies 750 mL at 760 mm Hg and 100 °C. What is…

A: Ideal gases have negligible volume in compare to the volume of the container and molecules of ideal…

Q: If 1.00 mol of an ideal gas at STP were confined to a cube, what would be thelength in cm of an edge…

A: To find: the length in cm of an edge of this cube , if 1.00 mol of an ideal gas at STP were confined…

Q: If the density of an ideal gas at STP is found to be 1.96 g/L, what is its molar mass? molar mass:…

A: Given, the density of an ideal gas at STP =1.96 gLWe are asked to calculate the molar mass of ideal…

Q: A certain gas has a density of 1.72g/L at STP. What is its molar mass?

A: Given that: Density of the gas = 1.72g/L The gas is STP. To find, the molar mass of the gas?

Q: 1. A 0.678 gram sample of gas occupies 0.214 L at standard conditions; what is the molar mass of the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: a 5.16 L quality of a gas measured at STP has a mass of 37.3 g. what is the molar mass of the…

A: Given Volume of gas = 5.16 L Given Mass of gas = 37.3 g

Q: The density of a gas at STP is found to be 2.8 g/L. What is the formula of the gas?

A: Concept:  As we know that density is defined by ratio of mass to the valume. Density = molar mass/…

Q: A 250.0 mL flask contains 0.200 g of a gas at 212 mmHg and 23oC, what is the molar mass of the gas?

A: Given:Volume = 250.0 mL = 0.250 L.Temperature = 23oC = 296 KPressure = 212 mmHg = 0.279 atm.Mass =…

Q: If the density of an ideal gas at STP is found to be 0.0902 g/L., what is its molar mass? molar…

A: The given data is as follows: The density of the ideal gas at STP = 0.0902 g/L The molar mass of the…

Q: 3. A chemist carried out a chemical reaction that produced a gas. It was found that the gas…

A: PV = nRTP=1 atm V= 1500ml =1.5 litre n=Weight Gram molecular weight R =0.0821T = 273 K Gram…

Q: What mass in grams of oxygen gas will occupy 250.0 mL at 754.0 MMHG and 25.0 Celsius?

A: We can determine the number of moles of Oxygen from ideal gas law : PV = nRT Where  P = pressure of…

Q: If the density of a gas is 1.2 g/L at 745. Torr and 20 C. What is its molecular mass

A: From Ideal gas equation it is known that------- pV = nRT where p is the pressure , V is the volume…

Q: What is the molar mass of a gas if .427 g of the gas occupies a volume of 125 mL at 20.0C and 980…

A: Given data mass of gas : m = 427 g Volume of gas : V = 125 mL = 0.125 L Pressure of gas : P = 980…

Q: 1.20 g of an unknown gas at STP fills a 500. mL flask. What is the molar mass of the gas?

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Q: An anesthetic gas contains 64.81% carbon, 13.60% hydrogen, and 21.59% oxygen, by mass. If 2.00 L of…

A: Given: The mass % of carbon=64.81% The mass % of hydrogen=13.60% The mass % of oxygen=21.59% The…

Q: At STP, what is the mass of 11.2 L of Cl2 gas?

A: STP refers to the standard temperature and pressure conditions, which is generally used for gases.…

Q: The density of a gas is found to be 1.45 g/L at 27 degrees C and 0.900 atm. What is the molar mass…

A: The ideal gas law, that related different parameters of a gas is given as:

Q: A gas sample weighing 19.66 g occupies a volume of 7.85 L at STP. What is the molar mass of this gas…

A: The ideal gas equation is given as:

Q: A 240. mL sample of an unknown gas at 99C and 722 torr has a mass of 1.20 g. Calculate the molar…

A: Given,Temp= 99 degree Celsius.Pressure = 722 torrMass = 1.20gVolume = 240mL

Q: A gas mixture is made by combining 8.5 g8.5 g each of Ar,Ar, Ne,Ne, and an unknown diatomic gas. At…

A: According to ideal gas law PV = nRT where P = pressure V = volume n = moles R = gas constant =…

Q: molar mass

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Q: An anaesthetic gas contains 64.81% carbon, 13.60% hydrogen, and 21.59 % oxygen by mass, If 2.00 L of…

A: Given: Volume of gas = 2.0 L Temperature = 25 oC Pressure = 0.420 atm mass =2.57 g % of carbon =…

Q: a flask contains 1.00 L of a pure gas at 0.850 atm and 20.0°C. mass of the gas= 1.13 What is the…

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Q: The mass of an evacuated 255 mL flask is 143.187 g. The mass of the flask filled with 267 torr of an…

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Q: If 0.600 g of a gas occupies 198 mL  at 30 C  and 665 mmHg  of pressure, what is the molar mass of…

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Q: 4. A 30.6 g sample of gas occupies 22.414L at STP. What is the molecular weight of this gas?

A: As per the ideal gas equation: PV=nRT where, P = Pressure of gas V = Volume occupied by the gas n =…

Q: 1L of a gas at STP weighs 1.97g. What is molecular mass?

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Q: If 1.58 g Ar are added to 3.61 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

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Q: 2.00 g of an unknown gas at STP fills a 500. mL flask. What is the molar mass of the gas?

A: Given values => Weight of gas = 2.00gram Volume= 500ml = 0.5 L (1 L = 1000ml) At STP -> T =…

Q: 1.85 g of an unknown gas at STP fills a 500. mL flask. What is the molar mass of the gas?

A: Given: The mass of the unknown gas is 1.85 g. The volume of the flask is 500.0 mL.

Q: A particular gaseous hydrocarbon has a density of 2.33g/L at 23oC and 746mmHg.  Calculate the molar…

A: Introduction:- the molar mass of the gas can be find by using ideal gas equation which is as- P×V…

Q: 1.55 g of an unknown gas at 65 °C and 1.10 atm is stored in a 1.65 L flask. What is the density of…

A: Mass of the unknown gas, m = 1.55 g  Temperature, T =  65 °C = 65 + 273.15 K = 336.15 K Presssure, P…

Q: A 248-mL gas sample has a mass of 0.433 g at a pressure of 745 mmHg and a temperature of 28 °C. What…

A: Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume,…

Q: If the density of an ideal gas at STP is found to be 1.25 g/L, what is its molar mass? molar mass:…

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Q: 0.899 g of an unknown gas at STP fills a 550. mL flask. What is the molar mass of the gas?

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Q: g/mol. The molecular weight of a gas that has a density of 4.1 g/L at STP is

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Q: If a gas sample weighed 3.97 grams occupies 2.768 liters at STP what would be the molas mass of this…

A: Calculation for number of moles:At STP, 1 mole of any gas occupies 22.4 Litre of Volume

Q: Calculate the volume of a sample of an ideal gas that contains 5.22 mol at 729 mmHg and 0o

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Q: If 0.275 moles of oxygen gas are held in a sealed 550 mL flask at a pressure of 800 mm, what is the…

A: Given, Moles of Oxygen gas (n) = 0.275 moles Note: 1000 mL= 1L Volume of a gas (V) = 550 mL = 0.550…

Q: If 2.35 g Ar are added to 4.43 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

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Q: A 2.50 g sample of an unknown gas occupies 875 mL at 685 mm Hg and 35 C. What is the molar mass of…

A: To calculate the molar mass of the unknown gas first of all we calculate the number of moles of the…

Q: A 15.0g sample of gas occupies 23.2 L at STP. What is the molecular weight of this gas?

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Q: 1.30 of an unknown gas at STP fills a 500. mL flask. What is the molar mass of the gas?

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Q: At 24 °C and 745 mmHg, the density of an unknown gas is determined to be 7.76 g/L. What is the molar…

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Q: If gas X has a density of 4.98 g/L at STP, what is the molar mass of gas X?

A: From ideal gas equation  P V = n R T                  n= mol= mass/molar mass P V = (w/M) R T  P M =…

Q: At 1.041.04 atm and 6.78 ∘C6.78⁢ ∘C, a 3.543.54 g sample of gas occupies a volume of…

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Q: 1.65 g of an unknown gas at STP fills a 500. mL flask. What is the molar mass of the gas

A: Given, mass of gas = 1.65 g Volume = 500 ml = 0.5 L R= 0.0821 L atm mol-1 K-1  At STP, standard…

Q: 1.65 g of an unknown gas at STP fills a 500. mL flask. What is the molar mas of the gas?

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Q: At STP, 0.302 L of a gas weighs 0.640 g. Calculate the molar mass of the gas. g/mol

A: Given information,     At STP, 0.302 L gas weighs 0.640 g