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What is gram molecular weight of cabon dioxide?
The molar mass of CO2 is Mr (C)=12.01 Mr (0)=16.00 Therefore, the molar mass is (12.01+(16.00x2) since there are 2 oxygen atoms then the molar mass will be doubled for oxygen therefore, Molar Mass=48.01 g/mol
The mass of a hydrogen atom is 1.0 amu and the mass of a carbon atom is 12.0 amu What is the molar mass of methane CH4?
To find the molar mass of methane (CH4), sum up the atomic masses of all the atoms in the molecule: (1 hydrogen atom x 4) + (1 carbon atom) = 4 g/mol (hydrogen) + 12 g/mol (carbon) = 16 g/mol. Therefore, the molar mass of methane (CH4) is 16 g/mol.
What does an element's molar mass tell you about the element?
An element's molar mass represents the mass of one mole of that element in grams. It tells you the average atomic mass of the element, which is the sum of the protons and neutrons in the nucleus of its atoms. Molar mass helps in determining the amount of substance in moles when given the mass of the sample.
What is the percent by mass of carbon in C3H8?
Well, isn't that just a happy little question! To find the percent by mass of carbon in C3H8, you first need to calculate the molar mass of carbon in C3H8, which is 3 times the molar mass of carbon. Then, you divide the molar mass of carbon by the molar mass of C3H8 and multiply by 100 to get the percent by mass. Just remember, there are no mistakes in chemistry, only happy accidents!
What is the molar mass of sulfur?
The molar mass of sulfur is 32.065. Molar mass is the mass per mole of a substance. In other words, Molar Mass = Mass/Amount of Substance.
Which of the following values represents the molar mass of methane?
The molar mass of methane (CH4) is approximately 16 g/mol.
What is the molar mass of methane CH?
The molar mass of methane (CH₄) is approximately 16.04 g/mol.
The formula for methane is CH4. Four moles of methane would have a mass of grams.?
To calculate the mass of four moles of methane (CH4), first determine the molar mass of methane. The molar mass of carbon (C) is approximately 12.01 g/mol, and hydrogen (H) is about 1.01 g/mol. Thus, the molar mass of CH4 is 12.01 + (4 × 1.01) = 16.05 g/mol. Therefore, the mass of four moles of methane is 4 moles × 16.05 g/mol = 64.2 grams.
What is the molar mass of methan?
The molar mass of methane (CH4) is approximately 16.04 grams per mole.
What unit is the molar mass of a molecule in?
The molar mass is expressed in grams.
The formula for methane is CH4. Four moles of methane would have a mass of how many grams?
To calculate the mass of four moles of methane (CH4), we first need to determine the molar mass of methane. The molar mass of CH4 is the sum of the atomic masses of carbon (12.01 g/mol) and hydrogen (1.008 g/mol) multiplied by the number of atoms in the compound. Therefore, the molar mass of CH4 is 12.01 g/mol + 4(1.008 g/mol) = 16.04 g/mol. To find the mass of four moles of methane, we multiply the molar mass by the number of moles: 16.04 g/mol x 4 mol = 64.16 grams. Therefore, four moles of methane would have a mass of 64.16 grams.
To determine the molar mass of an element one must know the elements what?
To determine the molar mass of an element, you must know the atomic mass of the element, which is found on the periodic table and is measured in atomic mass units (amu). This value represents the average mass of all the isotopes of that element.
Which term is used to represent the mass of 1 mole of molecules of a substance?
This is equal to the molar mass of this substance.
What is the molar mass in grams of mole of an element equal to?
weight...'
What is the relationship between the molar mass and density of a substance?
The relationship between the molar mass and density of a substance is that the molar mass affects the density of a substance. Generally, substances with higher molar masses tend to have higher densities. This is because the molar mass represents the mass of one mole of a substance, and denser substances have more mass packed into a given volume.
What is gram molecular weight of cabon dioxide?
The molar mass of CO2 is Mr (C)=12.01 Mr (0)=16.00 Therefore, the molar mass is (12.01+(16.00x2) since there are 2 oxygen atoms then the molar mass will be doubled for oxygen therefore, Molar Mass=48.01 g/mol
How many molecules in 10 grams of methane?
Find out the percentage of hydrogen in the molar mass of methane. Molar mass of CH4: C = 1 * 12.01 g = 12.01 g H = 4 * 1.01 g = 4.04 g Total = 16.05 g 4.04 g/16.05 g * 100% = 25.171% 0.25171 * 20 g = 5.0342 g There are about 5.03 grams of hydrogen in 20 grams of methane gas.
