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Which has more mass a mole of potassium or a mole of sodium?
A mole of potassium. Sodium weighs 22.990 g/mol while potassium weighs 39.068 g/mol.
How many atoms in a mole of sodium?
A mole is a counting unit of molecules. Since sodium is an element and is exists by itself one mole of sodium will equal one mole of atoms or 6.02 x 1023 atoms.
The molar mass of a mole of sodium is approximately?
The molar mass of sodium is approximately 23 grams per mole.
What has 0.2 mole of sodium carbonate in it?
0.2 mole of sodium carbonate, Na2CO3, contains approximately 11.16 grams of sodium carbonate.
When one mole of sodium chloride dissociates in water it produces?
When one mole of sodium chloride dissociates in water, it produces one mole of sodium ions (Na+) and one mole of chloride ions (Cl-). Each ion carries a single positive or negative charge respectively.
What is the stoichiometric relationship of sodium bicarbonate to sodium carbonate in the thermal decomposition process?
In the thermal decomposition of sodium bicarbonate (bicarbonate of soda, NaHCO3) to form sodium carbonate (soda ash, Na2CO3) and carbon dioxide (CO2), the stoichiometric relationship is 2 moles of NaHCO3 producing 1 mole of Na2CO3 and 1 mole of CO2. This means that for every mole of sodium bicarbonate decomposed, you'll get one mole of sodium carbonate and one mole of carbon dioxide.
How many grams of sodium chloride is obtained by the action of chlorine with 4 moles sodium?
A mole of an element or compound is 6.022 x 1023 (Avogadro's constant) molecules of that substance. This number is the number of molecules it takes for an amount of substance to have a mass in grams the same as its molecular mass: carbon has a molecular mass of 12, so 6.022 x 1023 (one mole) carbon atoms have a mass of 12 grams. The molecular mass of sodium is 23 (22.989) so one mole of sodium has a mass of 23 grams. Sodium chloride has a molecular mass of 58.44 so a mole of NaCl is 58.44 grams. One mole of sodium will make one mole of sodium chloride. Na + Cl => NaCl So four moles of sodium will make four moles of sodium chloride. 4Na + 4Cl => 4NaCl Four moles of NaCl has a mass of 4 x 58.44 = 233.76 grams.
Contains the fewest sodium atoms is it 1 mol sodium oxide 45g of sodium floride 50g of sodium chloride and 1 mole sodium nitrate.?
1 mole of sodium oxide contains the fewest sodium atoms because it contains 1 mole of sodium atoms. Each of the other compounds (45g of sodium fluoride, 50g of sodium chloride, and 1 mole of sodium nitrate) contains more than 1 mole of sodium atoms.
Is carbon dioxide produced when bicarbonate of soda reacts with hydrochloric acid?
Yes, carbon dioxide gas is produced when bicarbonate of soda (sodium bicarbonate) reacts with hydrochloric acid. This reaction forms carbonic acid, which quickly decomposes to form carbon dioxide gas, water, and sodium chloride.
Which has more mass a mole of potassium or a mole of sodium?
A mole of potassium. Sodium weighs 22.990 g/mol while potassium weighs 39.068 g/mol.
What weighs more one mole of oxygen or one mole of sodium?
One atom of sodium weighs more than one atom of oxygen. Thus, one mole of sodium weighs more than one mole of oxygen.
How many atoms in a mole of sodium?
A mole is a counting unit of molecules. Since sodium is an element and is exists by itself one mole of sodium will equal one mole of atoms or 6.02 x 1023 atoms.
What is Avogadro's number the number of?
The number of elementary entities in a mole of the substance. The elementary entities depends on the particles making up the substance. For example, argon is made of single atoms, so a mole of argon simply contains Avogadro's number of atoms. Water, on the other hand, is made of molecules, so a mole of water contains Avogadro's number of molecules. Now each water molecule, H2O, contains 3 atoms so a mole of water contains 3xAvogadro's number of atoms. Sodium chloride, NaCl, is made of sodium and chloride ions, in a ratio of 1:1. So a mole of sodium chloride contains Avogadro's number of sodium ions, and Avogadro's number of chloride ions. A mole of sodium chloride therefore contains 2xAvogadro's number of ions in total. The number comes from the number of carbon atoms in 12g of carbon-12.
How many grams of sodium are there in 10.0 grams of sodium sulfate?
Na2SO4 10.0 grams Na2SO4 (1 mole Na2SO4/142.05 grams)(2 mole Na/1 mole Na2SO4)(22.99 grams/1 mole Na) = 3.24 grams of sodium -------------------------------
What is the weight of 1 mole of pure sodium?
The molar mass of sodium (Na) is approximately 22.99 grams per mole. Therefore, the weight of 1 mole of pure sodium is 22.99 grams.
What is the osmolarity of a 0.1 mole sodium chloride solution?
One mole solution of sodium chloride makes 1000 millimole. So 0.1 mole solution of sodium chloride will have 100 millimole in the solution.
How many moles of oxygen atoms are present in one half mole of carbon dioxide molecules?
Since each mole of carbon dioxide molecules contains two moles of oxygen atoms, as indicated by the formula CO2 for carbon dioxide, half a mole of carbon dioxide will have one mole of oxygen atoms.
