Data Table 1: Experiment Data Unknown Liquid: Trial 1 75.25 g 75.47 g 0.22 g Mass of empty flask (g) Mass of flask and condensed vapor after cooling (g) Mass of condensed vapor (g) Boiling water bath temperature, C Boiling water bath temperature, K Barometric pressure, inches Hg Barometric pressuer, atmospheres Volume of flask, mL Volume of flask, L Molar Mass of unknown Percent Error (%) Average for unknown molar mass Identity of unknown liquid 104°C 377.15 K 30.31 Hg 1.01 atm 148 mL 0.148 L Unknown Liquid: Trial 2 75.24 g 75.52 g .28 104°C 377.15 K 30.31 Hg 1.01 atm 148 mL 0.148 L

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Q: Example 14: A sample of a compound of N and O contains 1.52 g of N and 3.47g of O. The molar mass of…

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Q: What is the molar mass of magnesium (Mg)? A)24.305 B)54.9380 C)48.610 D)35.45 E)22.99

A: Given      Element  = Magnesium  Molar mass = ?

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Q: Chemistry Vocabulary WORD WALL percent composition the percent, BY MASS, of all elements in a…

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A: Molarity: Molarity can be defined by saying that the number of moles of the solute dissolved per…

Q: What is the molar mass and chemical formula of pure acetone?

A: The structural formula of pure acetone is shown below:

Q: Calculate the molecular weights of the following compounds.

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Q: how many molecules are in 2.9 mol of c7h5n3o6

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Q: Calculate the molar mass of a compound if 0.400 mole of it has a mass of 308.0 g.

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Q: how many formula units in 7.69 grams of MgO

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A: The relationship between moles and mass of the substance is given by,

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A: To calculate the number of moles of a substance, you can use the formula:        -------1

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Q: Convert the following from mol to grams. Show complete detail of solution. A. 0.25 mol of Gold B.…

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Q: What is the mass of 0.25 mol of water?

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Q: round molar masses to two digits to the right of the decimal point when possible.

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Q: What number of moles of X is needed to obtain 75.36 grams? (Assume that the molar mass of X is 53.31…

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