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You would take your grams divided by the FW (formula weight) of the molecule.
example: 1g of H2O divided by 18 = .056mol H2O
you find the formula weight by adding of the atomic masses of each element
O=16 and H=1 1(2)+16=18
Wiki User
∙ 13y ago
Wiki User
∙ 12y ago# Moles CO2 * 44.01 g CO2 / 1 Mole CO2 = # g CO2
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Which mathematical relationship should you use to convert moles of a substance into grams?
Multiplication by what is called a conversion factor. A moles x (bbb grams / 1 mole) in which bbb is the molar mass of the substance.
What conversion does the value of the conversion factor depend upon the formula of the substance?
mass of any substance to moles
How do you find 1.1 grams of feci3 In moles?
FeCl3 ? 1.1 grams FeCl3 (1 mole FeCl3/162.2 grams) = 0.0068 moles of FeCl3 ------------------------------------
If you have 345.23 grams of CO how many moles of CO do you have?
To do this, you need to know the molecular weight of the element you're dealing with, by adding up the atomic weights of the elements involved (found on any periodic table). The molecular weight is the mass in grams of the compound in one mole - this will provide you with a conversion factor. So take the measurement in grams and divide it by the molecular weight to convert to moles. Really what you're doing is multiplying the number by 1 mole, and dividing it by the equivalent of one mole, the molecular weight. That's the thought process behind unit analysis and how you get your "units to cancel".In this case, the answer is about 12.33 moles carbon monoxide.
How many moles of CaBr are in 5.0 grams of CaBr2?
Not many! 5.0 grams CaBr2 (1 mole/199.88 grams CaBr2) = 0.025 moles CaBr2
How is the number of moles of an element determined froma known mass?
the molar mass is used as a conversion factor to convert grams to moles
How is the number of moles of an element determine from a known mass?
The mass of 1 mole of the element is used as a conversion factor to convert grams to moles
How many moles are present in 0.12g of helium?
1 mole He is 4.0 g. Use as a conversion factor to change 0.12 g He to moles.
What conversion factor for sodium is used to change mass to moles is?
2.54 times 10 to the 23 power
Which mathematical relationship should you use to convert moles of a substance into grams?
Multiplication by what is called a conversion factor. A moles x (bbb grams / 1 mole) in which bbb is the molar mass of the substance.
What conversion factor is used when converting moles to mass?
the molar mass 1 mole = xxx grams based on the chemical formula Ex: CO2 ... the atomic mass of carbon is 12, and the atomic mass of oxygen is 16 but the molar mass = (1 x 12) + (2 x 16) because of the number of atoms of each in the formula. molar mass = 44. so 1 mole = 44 grams ... turn this fact into a conversion factor. 44g / 1mole is the conversion factor to convert moles of carbon dioxide into mass (grams). Each substance will have a different molar mass, so a different conversion factor.
What quantity serves as the conversion factor between the mass of a sample and how many moles the sample contains?
The quantity that serves as a conversion factor between mass and number of moles is the molecular mass.
How many grams in 238 moles of arsenic?
The conversion factor you need for this problem is the atomic mass of arsenic.74.9 gram arsenic = 1 mole arsenicSince you want to end up in units of moles of As, this goes in the numerator (on top). You want to convert from grams As, so this goes in the denominator (on the bottom).grams As1 mole As = moles As74.9 gram As
What conversion does the value of the conversion factor depend upon the formula of the substance?
mass of any substance to moles
What is the key conversion factor needed to solve all stoichiometry problems?
Moles
Where does the mole ratio between two chemicals come from?
Mole ratio is the number of moles of a substance divided by the total number of moles of all substances present, times 100.
Convert grams to moles?
Conversion of a certain mass of a substance to moles requires knowing the molar mass. Molar mass is given in grams per mole. Dividing the known mass by the molar mass gives the number of moles.
