1.3268682x10-22 grams
The average mass of a single silicon atom in grams is the ratio 28,085/6,022140857.10e23.
A bromine atom, regardless of its mass number, has an atomic number of 35, which means it has 35 protons and, in a neutral state, also 35 electrons. Therefore, a bromine atom with a mass number of 87 will have 35 electrons. The mass number indicates the total number of protons and neutrons, but it does not affect the number of electrons in a neutral atom.
To find the mass of 350 mol of bromine, you need to multiply the number of moles by the molar mass of bromine. The molar mass of bromine is approximately 79.9 g/mol. So, 350 mol * 79.9 g/mol = 27965 g. Therefore, the mass of 350 mol of bromine is 27965 grams.
The mass of a single silver atom is approximately 107.87 atomic mass units (amu). To find the mass of 35 silver atoms, you can multiply the mass of one silver atom by 35. Thus, the mass of 35 silver atoms is about 3,784.45 amu. In grams, this is approximately 6.28 x 10^-25 grams, using the conversion of 1 amu being about 1.66 x 10^-24 grams.
18.96 times greater = 19.96 times as great.
The average mass of a single silicon atom in grams is the ratio 28,085/6,022140857.10e23.
Bromine has an approximate atomic mass of 79.904.
The atomic mass of Ne (neon) in grams is approximately 20.180 grams per mole. This means that a single Ne atom would have a mass of about 3.35 x 10^-23 grams.
The mass of a single copper atom is the same as the mass of a nickel atom.
To determine the number of moles of bromine gas in 37.7 grams, you need to divide the given mass by the molar mass of bromine. The molar mass of bromine is approximately 79.904 g/mol. So, 37.7 grams of bromine is equal to 0.471 moles (37.7 g ÷ 79.904 g/mol).
35.5 grams per mole or 5.90*10^-23 for a single atom
Since Argon has a relative atomic mass of 39.95, and mols = grams / RAM, one could calculate 39.95 / (6.02*10^23) = 6.63 * 10^-23 grams [0.00000000000000000000006634g] for a single argon atom, where 6.022 * 10^23 is roughly Avogadro's constant (the count of atoms in a mole). IF my math is correct.
29,56448 (rounded 29,56) grams
The mass of a single copper atom is approximately 1.055 x 10^-25 kilograms. This value is determined by the atomic mass of copper (63.55 grams per mole) and Avogadro's number.
No, the chemical formula CuBr2 indicates one atom of copper bonding with two atoms of bromine. This means that the molar mass of CuBr2 is not equal to the sum of the molar masses of copper and bromine individually.
To find the number of moles in 0.476 grams of bromine, you first need to determine the molar mass of bromine, which is approximately 79.904 g/mol. Then, you can use the formula: moles = mass (g) / molar mass (g/mol). Therefore, in this case, 0.476 grams of bromine is equivalent to 0.006 moles.
A bromine atom with a mass number of 87 has 35 protons (since bromine has an atomic number of 35). Since it is neutral, it also has 35 electrons.