By adding up the mass numbers of Na (23) and Cl (35 or 37). It is determined by the total of numbers of protons (11 and 17 respectively) and of neutrons (12 and 18 or 20), however it is not a sensible exercition to do, you cannot calculate anything with this figure.
To calculate the atomic mass of any element, add the no. of protons and neutrons. There sum will be the atomic mass. The mass of electrons is not counted towards the atomic mass.
The same way you calculate the atomic mass of other elements.
Atomic mass of sodium = 22.99 Atomic mass of chlorine = 35.45 Total mass = 58.44g 58.44g of NaCl contains 6.023 x 1023 atoms ... 18.035g of NaCl contains 18.035x6.023x1023/58.44 = 1.858x1023 atoms!
Answer: The mass of NaCl is, 219.15 grams Explanation: Given, Moles of NaCl = 3.75 mole Molar mass of NaCl = 22.99 + 35.45 = 58.44 g/mole Formula used : Now put all the given values in this formula, we get the mass of NaCl. Therefore, the mass of NaCl is, 219.15 grams
the Atomic Mass number is the number of protons/electrons in an atom
The molecular mass (not atomic mass) of sodium chloride is 58,44 g.
To calculate the atomic mass of any element, add the no. of protons and neutrons. There sum will be the atomic mass. The mass of electrons is not counted towards the atomic mass.
The mass of one mole of NaCl is the sum of the atomic weights for sodium and chlorine in grams. The atomic weights are found on the periodic table.
The same way you calculate the atomic mass of other elements.
Atomic mass of sodium = 22.99 Atomic mass of chlorine = 35.45 Total mass = 58.44g 58.44g of NaCl contains 6.023 x 1023 atoms ... 18.035g of NaCl contains 18.035x6.023x1023/58.44 = 1.858x1023 atoms!
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 grams20.0 grams NaCl / (58.5 grams) =.342 moles NaCl
NaCl is sodium chloride. NaCl2 doesn't exist up today.
The mass of the formula unit (NaCl) is formed from the sum of atomic weights of sodium and chlorine: 58,44 g.
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
Atomic mass of NaCl = 23.0 + 35.5 = 58.5 Amount of NaCl = 746/58.5 = 12.8mol
Atomic mass - Atomic number
Answer: The mass of NaCl is, 219.15 grams Explanation: Given, Moles of NaCl = 3.75 mole Molar mass of NaCl = 22.99 + 35.45 = 58.44 g/mole Formula used : Now put all the given values in this formula, we get the mass of NaCl. Therefore, the mass of NaCl is, 219.15 grams