What does 3NH4 mean?
Explanation: There are 3 Nitrogen atoms and 12 Hydrogen atoms. The numbers 3 and 4 means that there are 3 Nitrogen atoms, and 12 Hydrogen atoms in the chemical formular (3NH4).
Is K2SO4 polyatomic?
Sulfate is a polyatomic ion.
Is K2SO4 soluble or insoluble?
K2 SO4 is very soluble in water. Most alkali metal compounds are water soluble and potassium is an alkali metal.
What is the atomicity of K2SO4?
atomicity of is 7.
What is na2co3 10h2o called?
Washing soda formula is written as Na2CO3. 10H2O. The chemical name of washing soda is sodium carbonate. Chemically soda ash is a hydrated salt of sodium carbonate.
What is the number of atoms in NA?
Then, multiply the number of moles of Na by the conversion factor 6.02214179×1023 atoms Na/ 1 mol Na, with 6.02214179×1023 atoms being the number of atoms in one mole of Na (Avogadro’s constant), which then allows the cancelation of moles, leaving the number of atoms of Na.
How many atoms are in the chemical formula Ca OH 2?
Calcium hydroxide, Ca(OH) 2 consists of one calcium atom (A r = 40), two oxygen atoms (A r = 16) and two hydrogen atoms (A r = 1).
What is the name for Fe2O3?
Iron(III) oxide
What is the name for K2SO3?
Potassium sulfite
How many atoms are in Cu no32?
Percent composition by element
| Element | Symbol | # of Atoms |
|---|---|---|
| Copper | Cu | 1 |
| Nitrogen | N | 2 |
| Oxygen | O | 6 |
What is the number of atoms in NaHCO3?
NaHCO3 = No. of atoms are 1 sodium + 1 Hydrogen + 1 carbon + 3 oxygens = 6 atoms per molecule.
How many atoms is in a gram?
The definition of Avogadro’s number of 6.022 × 1023/mole is the number of atoms or molecules per one gram atomic weight. For one gram atomic weight of hydrogen with atomic weight of one gram, one mole of hydrogen contains 6.022 × 1023 hydrogen atoms.
Is K2SO4 an acid or base?
Potassium sulfate (K2SO4) is an extremely strong acidic compound (based on its pKa).
Is K2SO4 a solid or aqueous?
Potassium sulfate (US) or potassium sulphate (UK), also called sulphate of potash (SOP), arcanite, or archaically potash of sulfur, is the inorganic compound with formula K2SO4, a white water-soluble solid.
What is the mass of 0.2 mole of oxygen atoms?
3.2 grams
What is the mass of 5 mole of oxygen atom?
180 grams
What is the mole of 12 gram of oxygen gas?
0.375 moles
What is the mass of 0.1 mole of oxygen atom?
0.1 mole of has 20.8 gm of oxygen. Explanation: The molar mass of is 286 gm.
What is the mass of 0.2 mole of oxygen atoms Class 9?
Ans. ∴ 0.2 mole of oxygen atoms = 16 × 0.2 = 3.2 g (b) 1 mole of water molecules = 18 g ∴ 0.5 mole of water molecules = 18 × 0.5 = 9 g 10.
What is the mass of 0.3 mole of oxygen atom?
Hence, the number of gram atoms of oxygen present in 0.3 moles of oxalic acid dihydrate is 0. 3×6=1.
What is the mass of 0.6 mole of oxygen atom?
Answer. 12.8 grams. The relative atomic mass of oxygen is 16.
What is the mass of one mole of oxygen?
15.998 grams