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But remember, they all had different masses. The mass of one mole of each material was equal to the gram formula weight. (This is the same idea as the mass of a dozen. EXAMPLE: How many moles of neon are there in 2.408 x 1024 atoms of neon?

Weight - the force at which earth or any other gravity generating astral body attracts objects, it’s a vector value. In common use weight is often confused with mass.

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Feb 10, 2015 · What is the molar mass of a gas if 0.0494 g of the gas occupies a volume of 0.100 L at a temperature 26 °C and a pressure of 307 torr? What is the molar mass of a gas if 0.281 g of the gas occupies a volume of 125 mL at a temperature 126 °C and a pressure of 777 torr?

We can see that K, Henry's Law constant, is the slope (gradient) of the line 4. The slope of the line ≈ 60 kPa ÷ 0.0008 mol L-1 = 75 000 kPa/mol L-1 Therefore, for an aqueous solution of oxygen gas at 25°C we can write:

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Unit 3 Electrochemistry 63 3.1 Electrochemical Cells 64 3.2 Galvanic Cells 65 3.3 Nernst Equation 68 3.4 Conductance of Electrolytic Solutions 73 3.5 Electrolytic Cells and Electrolysis 83 3.6 ...

Using the graph below, determine the gas that has the lowest density (mass/vol.) at STP. A) A B) B C) C D) D E) All of the gases have the same density at STP. 5. A mixture of 10.0 g of Ne and 10.0 g Ar have a total pressure of 1.6 atm. What is the partial pressure of Ne? A) 1.1 atm B) 0.80 atm C) 0.54 atm D) 0.40 atm E) 1.3 atm 6.