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Atomic Mass
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Questions (107)
What is the mass in grams of the following:
a) 3.011x10 to the 12th power atoms F b)1.50x10 to the 23 power atoms Mg
4 answers
asked by
Ivanka
795 views
the mass of 1 atom of hydrogen is 1.67 * 10^(-24) gram. how much do 25 atoms of hydrogen weigh?
A. 4.175 * 10^(-23) gram B. 4.175
6 answers
asked by
hawseefoo
792 views
the atomic mass of an element is the mass, in grams, of one mole (mol), or 6.02 * 10^23.
A.) How many atoms are there in 3.5 mol
3 answers
asked by
Chaney
501 views
Find the formula mass of the compound
H2SO4. 1. 98.09 amu 2. 96.07 amu 3. 97.08 amu 4. 81.08 amu 5. 89.09 amu
7 answers
asked by
please help
783 views
Calculate the atomic mass of naturally occurring molybdenum (Mo) which
contains the following isotopes. Isotope Abundance (%)
2 answers
asked by
Sara
760 views
What is the mass of 7.817 × 1023 atoms Ag?
2 answers
asked by
Jenny
693 views
The atomic mass of an element is
A. the sum of the protons and electrons in one atom of the element. B. twice the number of
6 answers
asked by
hipniblet
686 views
Calculate the average mass (in amu) of 1 methane molecule (to .01 amu)
2 answers
asked by
Caitlin
644 views
1. A 12.5843g sample of zrbr4 was dissolved and after several steps all of the combined bromine was precipitated as ArBr. The
2 answers
asked by
Chansa
648 views
the formula mass of an unknown compound is 44.009 amu. What is its molar mass?
2 answers
asked by
Mia
640 views
If one mole of the compound Al4C3 has a mass of 144g and one mole of carbon has a mass of 12g, calculate the relative atomic
1 answer
asked by
Desmond
601 views
1.What is the mass of 2.0 moles of LiOH?
Atomic mass Li + atomic mass O + atomic mass H = molar mass LiOH. grams in 2 mol = #mols
1 answer
asked by
Claudia
567 views
Suppose the atomic mass unit had been defined as 1/10 th of the average mass of an atom of phosphorus. What would the atomic
2 answers
asked by
Praphul
565 views
The molar mass of HCl is 36.5g use the fact that 1 amu = 1.6605x 10-24g power g to calculate Avogradro’s number.
2 answers
asked by
jennifer
555 views
Suppose the atomic mass unit had been defined as 1/10 the average mass of an atom of phosphorus .what would the atomic mass of
2 answers
asked by
Praphul
545 views
if one mole of the compound Al4C3 has a mass of 144g and one mole of carbon has a mass of 12g, calculate the relative atomic
1 answer
asked by
smartypants
554 views
90.92% of the atoms have a mass of 19.988 u, 0.26% of the atoms have a mass of 20.983 u and 8.82% of atoms have a mass of 21.978
2 answers
asked by
susan
519 views
in a chemical reaction, two molecules with a total mass of 76 amu react to form a single molecule. What is the mass of the
1 answer
asked by
SOnicThe HEdgehog
34 views
Question From the Periodic table, it can be determined that iron (Fe) has an atomic mass of 56 amu, oxygen (O) has an atomic
1 answer
asked by
Kopopolo
62 views
Knowing that the Atom X mass is equivalent to 6 boron 10 atoms, what is the relationship between the masses of atom X and the
1 answer
asked by
william
472 views
.033597 grams of hydrogen is combined with 1.000grams of of carbon . calculate the atomic mass of hydrogen
3 answers
asked by
walter H
434 views
the atomic mass of N is 14 u and that of Ca is 40 u. the proportion of n by mass in the compound Ca3N2 is what?
1 answer
asked by
Frank
434 views
From the Periodic table, it can be determined that iron (Fe) has an atomic mass of 56 amu, oxygen (O) has an atomic mass of 16
1 answer
asked anonymously
55 views
223 /87 Fr 0/-1 + E A/Z X
What is the atomic mass of the new atom?
1 answer
asked anonymously
30 views
From the Periodic table, it can be determined that iron (Fe) has an atomic mass of 56 amu, oxygen (O) has an atomic mass of 16
1 answer
asked anonymously
30 views
Which one is heavier? 1mole of pbd4, 1mole of H2 and 1mole of pb(No3) 2
1 answer
asked by
Khadijat
19 views
At the center, 6 unmarked red balls are interspersed with 4 blue balls marked with plus signs. A green cloud with 2 concentric
1 answer
asked anonymously
17 views
what does the atomic mass of an element tells us about particles in an atom
1 answer
asked anonymously
22 views
0.400 mol Ne =
Ne atoms
1 answer
asked anonymously
38 views
What is the mass of 4.67x10^23 atoms of lead
1 answer
asked anonymously
7 views
What does the atomic mass of an element represent?
the average total mass of its neutrons, protons, and electrons the average
1 answer
asked anonymously
17 views
The mass of a helium-4 stone is 6.65*10^-24 grams. The mass of an electron is 9.11*10^-28 grams. How many times greater is the
1 answer
asked anonymously
23 views
What is the atomic mass of carbon?
1 answer
asked anonymously
5 views
4 of 44 of 4 Items
Question In a chemical reaction, two molecules with a total mass of 76 amu react to form a single molecule.
1 answer
asked by
Demon
19 views
In a chemical reaction, two molecules with a total mass of 76 amu react to form a single molecule. What is the mass of the
1 answer
asked anonymously
42 views
In a chemical reaction, two molecules with a total mass of 76 amu react to form a single molecule. What is the mass of the
1 answer
asked anonymously
15 views
Calculate the mass of three atoms of zinc
1 answer
asked anonymously
8 views
The mass of an oxygen molecule is 5, point, 3, 1, times, 10, to the power minus 235.31×10 −23 grams. The mass of a proton is
1 answer
asked anonymously
17 views
Question The atomic mass of the element niobium (Nb) is 92.906 amu. Which measurement is correct?(1 point) Responses 1 mole of
1 answer
asked anonymously
14 views
The atomic mass of copper (Cu) is 63.546 amu, the atomic mass of sulfur (S) is 32.065, and the atomic mass of oxygen (O) is
1 answer
asked anonymously
12 views
SO3 + H2O -> H2SO4
given the atomic mass of hydrogen is 1amu, the atomic mass of oxygen is 16 amu, and one molecule of sulfuric
1 answer
asked anonymously
24 views
the atomic mass of the element niobium (Nb) is 92.906 amu. Which measurement is correct?
A. 1 mole of Nb = 92.906 grams B. 1 gram
1 answer
asked anonymously
12 views
The mass of a hydrogen atom is about 1.67E-24 grams. The mass of a plutonium atom is about 4.05E-22 grams. How many times more
1 answer
asked anonymously
14 views
The mass of a hydrogen atom is about 1.67E-24 grams. The mass of a plutonium atom is about 4.05E-22 grams. How many times more
1 answer
asked anonymously
16 views
The mass of carbon -12 atom is 1.99×10 -23 squared the mass of neutron is 1.68×10 -24 grams how many times greater is the mass
1 answer
asked anonymously
13 views
The atomic mass of Iron (Fe) is 55.85 amu, and the atomic mass of chlorine (Cl) is 35.45 amu. Which molar mass is correct for
1 answer
asked anonymously
28 views
The amount of matter contained in one atom of an element. Measured in units of amu.
1 answer
asked anonymously
6 views
Column A
1. Argon (Ar): Argon (Ar) 2. Antimony (Sb): Antimony (Sb) 3. Cesium (Cs): Cesium (Cs) 4. Titanium (Ti): Titanium (Ti)
1 answer
asked anonymously
11 views
On which atom are all atomic masses based?
Carbon Oxygen Uranium Hydrogen What mass is assigned to that atom? 1 u 12 u 16 u 1.008
1 answer
asked by
Truth
9 views
What information is necessary to determine the atomic mass of the element chlorine
1 answer
asked anonymously
8 views
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Parent Categories (5)
Atomic Structure
Chemical Reactions
Chemistry
Elements
Mass