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How many gram are in 238 moles of arsenic?
To convert moles to grams, you need to know the molar mass of arsenic. Arsenic has a molar mass of approximately 74.92 g/mol. Therefore, to find the grams in 238 moles of arsenic, you would multiply the number of moles by the molar mass: 238 moles x 74.92 g/mol = 17,827.76 grams of arsenic.
How many atoms are there in 3.5 moles of arsenic?
In one mole of Arsenic contains 6.02 x 10^23 atoms. This is the Avogadro's number. So in 3.5 moles of Arsenic, there would accordingly be 2.11 x 10^24 atoms.A mole of As has the Avogadro number of moles. It is equivalent to 6.022 x 10^23. Therefore, 3.5 moles of the element contains 2.11 x 10^24 atoms of Arsenic.
What element has 21 neutrons and 40 mass number?
as it is actually "As" the "A" has to be capitalized to be correct, or it could stand for something totally different. In addition to the above, it might be helpful to see how the answer is derived:- First deduct the number of neutrons from the mass number - 73 minus 40 equals 33 This gives the Atomic Number 33. Reading down the Periodic Table to find element number 33, we find that it is Arsenic, chemical symbol As.
What element has the atomic number 77?
Well, I couldn't get any stable element with mass number of 77. However the closest ones are arsenic with mass number 75 or selenium with mass number 79. Note: All the following elements listed below have isotopes with mass number 77, but are unstable with half life ranging from a few hours to nano seconds: Nickel, Copper, Zinc, Galium, Germanium, Arsenic, Selenium, Bromine, Krypton, Rubidium, Strontium and Yttrium. If you had meant atomic number, then iridium has the atomic number of 77.
What type of bond is formed between arsenic and sulfur?
Naturally occurring arsenic is composed of one stable isotope, 75As.[11] As of 2003, at least 33 radioisotopes have also been synthesized, ranging in atomic mass from 60 to 92. The most stable of these is 73As with a half-life of 80.3 days. Isotopes that are lighter than the stable 75As tend to decay by β+ decay, and those that are heavier tend to decay by β- decay, with some exceptions. At least 10 nuclear isomers have been described, ranging in atomic mass from 66 to 84. The most stable of arsenic's isomers is 68mAs with a half-life of 111 seconds
What is the mass number of AS?
Asenic is a non metal element. Atomic mass of it is 75.
In the notation arsenic-76 the number 76 represents?
The number 76 represents the total number of protons and neutrons in the nucleus of an atom of arsenic-76, which is an isotope of the element arsenic. It helps to identify the specific isotope of arsenic based on its mass number.
What is the mass number of As-3?
The mass number of an element is the sum of the number of protons and neutrons in its nucleus. Arsenic typically has a mass number of around 75, so As-3 would likely have a mass number of 72 since the isotope notation includes the mass number.
Which element has atomic number of 33 and mass number of 67?
Arsenic has atomic number of 33 and mass number of 67.
How many gram are in 238 moles of arsenic?
To convert moles to grams, you need to know the molar mass of arsenic. Arsenic has a molar mass of approximately 74.92 g/mol. Therefore, to find the grams in 238 moles of arsenic, you would multiply the number of moles by the molar mass: 238 moles x 74.92 g/mol = 17,827.76 grams of arsenic.
What is the atomic number in arsenic?
Atomic number: 33 (Atomic mass: 74.92)
What is arsenics mass number?
Arsenic is a non metal element. Atomic mass of it is 75.
What group number is arsenic in?
Arsenic As. 33(Atomic Number) 75(Relative Atomic Mass)
What is the atomic number and the mass number for As3?
The atomic number for an element is the number of protons in its nucleus, which is 33 for arsenic (As). The mass number is the sum of protons and neutrons in the nucleus, so for arsenic-33 (As-33) specifically, the mass number would be 33.
How many nuetrons are in arsenic?
42 neutrons Think of it this way: Arsenic 75. The number of protons and electrons of an element are always the same. Well, we obviously know that there are 33 electrons in arsenic from the periodic table, and therefore we have 33 protons. So, to find the number of neutrons is simple. The number of neutrons and protons added together will equal the mass number (75). So it is basic algebra. You want to think logically. Take75 (your mass number) and subtract 33 (the number of protons) and you will get 42. Hope that helps!
What is the atomic mass of arsenic?
The atomic mass of arsenic is approximately 74.92 atomic mass units.
What mass of arsenic in grams contains the same number of atoms as 39.95 g of Argon?
The molar mass of arsenic is 74.92 g/mol, and the molar mass of argon is 39.95 g/mol. Since the same number of atoms is present in equal masses, you'd set up a ratio of their molar masses to find the mass of arsenic equivalent to 39.95 g of argon. This gives you (74.92 g/mol) / (39.95 g/mol) = 1.874. Therefore, the mass of arsenic equivalent to 39.95 g of argon is 1.874 x 39.95 g = 74.84 g.
