• Calculate the mass (in kg) of water produced from the combustion of 1.0 gallon (3.8 L) of gasoline (C 8 H 18). The density of gasoline is 0.79 g/mL. One mole of aspartame (C 14 H 18 N 2 O 5) reacts with two moles of water to produce one mole of aspartic acid (C 4 H 7 NO 4), one mole of methanol (CH 3 OH) and one mole of phenylalanine. a.
• (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass ( molar weight ) is the mass of one mole of a substance and is expressed in g/mol. Weights of atoms and isotopes are from NIST article .
• A sample of a compound contains 60.0 g C and 5.05 g H. Its molar mass is 78.12 g/mol. What is the compound’s m… Get the answers you need, now!
• Molar Mass Formula. The mole is a counting unit to specify the number of atoms, molecules, ions or formula units in a particular chemical compound. Therefore, the molar mass of Na2CO3 is 106 g/mole. Example 2.Identify the molar mass of calcium nitrate, Ca(NO3)2 ?
• The unit of measure for mass is the atomic mass unit (amu). One atomic mass unit is equal to 1.66 x 10-24 grams. One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol. For 12 C the atomic mass is exactly 12u, since the atomic mass unit is defined from ...
• Sep 29, 2010 · What is the relative formula mass (Mr) of copper sulphate? I think it's 127.5 but my calculations could be wrong. Could you confirm it for me please? Thank you :)
• It has a molecular molar mass of 140.22 g/mol. (This question requires one to find the empirical formula to end up with the final answer in molecular . Chemistry. A certain compound containing only carbon and hydrogen was found to have a vapor density of 2.550 g/L at 100 degrees C and 760 mm Hg.
• Moles and Molar Mass. The mole is the "counting unit" used by chemists to indicate the number of atoms, ions, molecules, or formula units present in a particular chemical 3. Add it all together and put units of grams/mole after the number. Example: Find the molar mass of sodium carbonate, Na2CO3.

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>> The molar masses of all these substances will be equal to the respective molecular masses expressed in g / mol . (a) Molar mass of ethyne, C2H2 = Mass of C × 2 + Mass of H × 2.
>> The molar masses of all these substances will be equal to the respective molecular masses expressed in g / mol . (a) Molar mass of ethyne, C2H2 = Mass of C × 2 + Mass of H × 2.

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What mass of O2, in grams, is required to completely react with 0.025 g C3H8? the balanced chemical equation for the reaction is as follows; C₃H₈ + 5O₂ ---> 3CO₂ + 4H₂O stoichiometry of C₃H₈ to O₂ is 1:5 number of moles of C₃H₈ reacted - 0.025 g / 44.1 g/mol = 0.000567 mol according to molar...
Molar mass is the mass (in grams) of one mole of a substance. X Research source Using the atomic mass of an element and multiplying it by the conversion factor Multiply the relative atomic mass by the molar mass constant. This is defined as 0.001 kilogram per mole, or 1 gram per mole.

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The concentration of pure osmium tetroxide (molar mass = 254.23 g/mol) is c (OsO 4 ) = 5.1 kg/L / 254.23 g/mol = 20.1 mol/L. A typical protein in bacteria , such as E. coli , may have about 60 copies, and the volume of a bacterium is about 10 −15 L.
Molecular Mass Calculator. Find Formula/Molecule by Mass. Molecular Mass Calculator. How to calculate the mass of a particular isotopic composition.