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What would you multiply grams of oxygen by to get the units atoms of oxygen?
Wiki User
∙ 13y ago
There is no direct relationship between grams of oxygenand atoms of oxygen. Use the atomic mass to convert grams to moles and Avogadro's number to convert moles to atoms.
Since you are converting from grams O, this goes in the denominator (on the bottom) of the first factor. You want to end up in units of atoms of O, so this goes in the numerator (on the top) of the last factor.
g O1.00 mole O6.02E+23 atom O= atoms O16.0 gram O1.00 mole O
Note that the units grams oxygen "cancel out" in the first factor and you are left in units of moles. Moles cancel out in the second factor and the final units are atoms oxygen.
Wiki User
∙ 13y ago
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How many atoms are in 2AL2O3?
The 2 in front means 2 formula units, or 2 moles of the compound Al3O2. So you would multiply the 2 in front times the subscripts in the formula unit Al3O2. In the formula unit Al3O2, there are 5 atoms. Multiply that by the 2 in front and you get 10 atoms.
How many atoms are present in 0.0350 mol of barium phosphate?
There are 3 Barium, 2 Phosphorus and 8 Oxygen in Barium Phosphate (Ba3(PO4)2, making 13 units. Multiply 0.0350 mol given by 13 and you get 0.455 mol.Since they want atoms, multiply 0.455 by Avogadro's number (0.455 x 6.023 x 1023) and you get 2.74 atoms of barium phosphate.
How do I convert 38 grams of NaCl to moles and formula units?
For this you need the atomic (molecular) mass of NaCl. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel. NaCl=58.5 grams38.0 grams NaCl / (58.5 grams) = .650 moles NaCl
If eight atoms of iron react completely with six molecules of oxygen how many units of iron oxide will be formed?
four
How many moles are in 6.64 grams of nitrogen monoxide?
For this you need the atomic (molecular) mass of NO. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel. NO=30.0 grams6.64 grams NO / (30.0 grams)= .221 moles NO
What would you multiply atoms of boron by to get the units grams of boron?
There is no direct relationship between atoms of boronand grams of boron. Use Avogadro's number to convert atoms to moles, and the atomic mass to convert moles to grams.Since you are converting from atoms B, this goes in the denominator (on the bottom) of the first factor. You want to end up in units of grams of B, so this goes in the numerator (on the top) of the last factor.atoms B1.00 mole B10.8 gram = g B6.02E+23 atom B1.00 mole BNote that the units atoms boron "cancel out" in the first factor and you are left in units of moles. Moles cancel outin the second factor and the final units are grams boron.
What would you multiply atoms of germanium by to get the units grams of germanium?
There is no direct relationship between atoms of germanium and grams of germanium. Use Avogadro's number to convert atoms to moles, and the atomic mass to convert moles to grams.Since you are converting from atoms Ge, this goes in the denominator (on the bottom) of the first factor. You want to end up in units of grams of Ge, so this goes in the numerator (on the top) of the last factor.atoms Ge1.00 mole Ge72.6 gram= g Ge6.02E+23 atom Ge1.00 mole GeNote that the units atoms germanium "cancel out" in the first factor and you are left in units of moles. Moles cancel out in the second factor and the final units are grams germanium.
How many atoms are in 2AL2O3?
The 2 in front means 2 formula units, or 2 moles of the compound Al3O2. So you would multiply the 2 in front times the subscripts in the formula unit Al3O2. In the formula unit Al3O2, there are 5 atoms. Multiply that by the 2 in front and you get 10 atoms.
How many grams do 4.4 x 1022 atoms of potassium weigh. answer in units of grams?
The mass is 2.86 grams but the weight will be 0.028 Newtons.
Avogadro's number is the number of?
Avogadro's number is the number of units per mole. A mole is 6.022x1023 (602,200,000,000,000,000,000,000) units. Because every element has a unique mass, it is primarily useful in chemistry for stoichiometric calculations. Hydrogen for example has a mass of ~1.01 grams per mole, so one gram of atomic hydrogen contains approximately 1 mole of hydrogen atoms, or 6.022x1023 hydrogen atoms. It seems arbitrary until you examine it's applications in practical use. To create a molecule of water you need to combine 2 hydrogen atoms with one oxygen atom, along with a little bit of energy: 2H + O --> H2O If you want to do this efficiently, you can't just throw 2 grams of hydrogen atoms together with 1 gram of oxygen atoms to create 3 grams of water because hydrogen and oxygen have different molecular masses. One oxygen atom is about 16 times heavier than 1 hydrogen atom, so with the above approach you'll only end up with about 1.125 grams of water with about 1.875 grams of hydrogen still floating about. This is where Avogadro's number comes into play. Hydrogen is ~1 gram per mole (1 gram per 6.022x1023 atoms) and Oxygen is ~16 grams mer mole (16 grams per 6.022x1023 atoms). So to create 1 mole of water you need to combine approximately 2x6.022x1023 hydrogen atoms with approximately 6.022x1023 oxygen atoms, light a match, and prepare to get burned.
Find the mass in grams of mol of CO2?
For this you need the atomic (molecular) mass of CO2. Take the number of moles and multiply it by the atomic mass. Divide by one mole for units to cancel. CO2= 44.0 grams1.50 moles CO2 × (44.0 grams) = 66.0 grams CO2
How many atoms are present in 0.0350 mol of barium phosphate?
There are 3 Barium, 2 Phosphorus and 8 Oxygen in Barium Phosphate (Ba3(PO4)2, making 13 units. Multiply 0.0350 mol given by 13 and you get 0.455 mol.Since they want atoms, multiply 0.455 by Avogadro's number (0.455 x 6.023 x 1023) and you get 2.74 atoms of barium phosphate.
How many oxygen atoms are in 1.00 g of quartz?
The chemical formula of quartz is SiO2, showing that each formula unit contains two oxygen atoms. The gram formula mass of SiO2 is 60.08. Therefore, 1.00 gram constitutes 1.00/60.08 or about 1.66 X 10-2 formula units. The number of oxygen atoms will be 2 (exact) X Avogadro's Number X 1.66 X 10-2 or about 2.00 X 1022 atoms, to the justified number of significant digits
What are the major types of stoichiometry problems?
Conversions with units, especially getting atoms to moles to grams etc
How many grams of oxygen are in 1.851023 formula units of (NH4)2SO4?
This mass is 244,459.10e23 g.
What is the number of oxygen atoms in 4.88x10-3 mol of AlNO33?
Al(NO3)3 contains 9 oxy atoms per formula unit. 4.88x10-3 mol x (6.022x1023form units / mole) x (9 atoms oxy / Form Unit) = multiply and get the answer
How do you convert from number of particles to moles?
You must first calculate the molar mass of the substance. To do so, you add up the molar masses of all the elements that make up the compound, multiplied by the number of atoms of that element in one molecule of the substance. For example, AgNO3 has a molar mass of about 169.8 amu. In one molecule of AgNo3, there is one atom of Silver (molar mass 107.8), one atom of Nitrogen (molar mass 14), and three atoms of Oxygen (molar mass 16). Multiply the molar mass of Silver by the number of Silver atoms (1), multiply the molar mass of Nitrogen by the number of Nitrogen atoms (1), multiply the molar mass of Oxygen by the number of Oxygen atoms (3), add the numbers up and you have the molar mass of the substance (169.8). Step 2 is easy. To convert from grams to moles, you divide the number of grams by the molar mass (units for molar mass are grams per mole, so dividing by molar mass cancels the grams). To convert from moles to grams, you multiply by the molar mass.
