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Molecular Weight Calculator

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Enter using the format: AgS2O3 and Na3AsO16H24

The following values are used in calculations. Taken from Wikipedia (September 4, 2007) with the trailing decimals of uncertainty removed.

Table of Atomic Elements and Weights

Atomic
Number
Element
Name
Atomic
Symbol
Atomic
Weight (g/mol)
1
Hydrogen
H
1.00794
2
Helium
He
4.002602
3
Lithium
Li
6.941
4
Beryllium
Be
9.012182
5
Boron
B
10.811
6
Carbon
C
12.0107
7
Nitrogen
N
14.0067
8
Oxygen
O
15.9994
9
Fluorine
F
18.9984032
10
Neon
Ne
20.1797
11
Sodium
Na
22.98976928
12
Magnesium
Mg
24.3050
13
Aluminum
Al
26.9815386
14
Silicon
Si
28.0855
15
Phosphorus
P
30.973762
16
Sulfur
S
32.065
17
Chlorine
Cl
35.453
18
Argon
Ar
39.948
19
Potassium
K
39.0983
20
Calcium
Ca
40.078
21
Scandium
Sc
44.955912
22
Titanium
Ti
47.867
23
Vanadium
V
50.9415
24
Chromium
Cr
51.9961
25
Manganese
Mn
54.938045
26
Iron
Fe
55.845
27
Cobalt
Co
58.933195
28
Nickel
Ni
58.6934
29
Copper
Cu
63.546
30
Zinc
Zn
65.409
31
Gallium
Ga
69.723
32
Germanium
Ge
72.64
33
Arsenic
As
74.92160
34
Selenium
Se
78.96
35
Bromine
Br
79.904
36
Krypton
Kr
83.798
37
Rubidium
Rb
85.4678
38
Strontium
Sr
87.62
39
Yttrium
Y
88.90585
40
Zirconium
Zr
91.224
41
Niobium
Nb
92.906 38
42
Molybdenum
Mo
95.94
43
Technetium
Tc
98.9063
44
Ruthenium
Ru
101.07
45
Rhodium
Rh
102.90550
46
Palladium
Pd
106.42
47
Silver
Ag
107.8682
48
Cadmium
Cd
112.411
49
Indium
In
114.818
50
Tin
Sn
118.710
51
Antimony
Sb
121.760
52
Tellurium
Te
127.60
53
Iodine
I
126.90447
54
Xenon
Xe
131.293
55
Caesium
Cs
132.9054519
56
Barium
Ba
137.327
57
Lanthanum
La
138.90547
58
Cerium
Ce
140.116
59
Praseodymium
Pr
140.90765
60
Neodymium
Nd
144.242
61
Promethium
Pm
146.9151
62
Samarium
Sm
150.36
63
Europium
Eu
151.964
64
Gadolinium
Gd
157.25
65
Terbium
Tb
158.92535
66
Dysprosium
Dy
162.500
67
Holmium
Ho
164.93032
68
Erbium
Er
167.259
69
Thulium
Tm
168.93421
70
Ytterbium
Yb
173.04
71
Lutetium
Lu
174.967
72
Hafnium
Hf
178.49
73
Tantalum
Ta
180.9479
74
Tungsten
W
183.84
75
Rhenium
Re
186.207
76
Osmium
Os
190.23
77
Iridium
Ir
192.217
78
Platinum
Pt
195.084
79
Gold
Au
196.966569
80
Mercury
Hg
200.59
81
Thallium
Tl
204.3833
82
Lead
Pb
207.2
83
Bismuth
Bi
208.98040
84
Polonium
Po
208.9824
85
Astatine
At
209.9871
86
Radon
Rn
222.0176
87
Francium
Fr
223.0197
88
Radium
Ra
226.0254
89
Actinium
Ac
227.0278
90
Thorium
Th
232.03806
91
Protactinium
Pa
231.03588
92
Uranium
U
238.02891
93
Neptunium
Np
237.0482
94
Plutonium
Pu
244.0642
95
Americium
Am
243.0614
96
Curium
Cm
247.0703
97
Berkelium
Bk
247.0703
98
Californium
Cf
251.0796
99
Einsteinium
Es
252.0829
100
Fermium
Fm
257.0951
101
Mendelevium
Md
258.0986
102
Nobelium
No
259.1009
103
Lawrencium
Lr
260.1053
104
Rutherfordium
Rf
261.1087
105
Dubnium
Db
262.1138
106
Seaborgium
Sg
263.1182
107
Bohrium
Bh
262.1229
108
Hassium
Hs
265
109
Meitnerium
Mt
266
110
Darmstadtium
Ds
269
111
Roentgenium
Rg
272
112
Ununbium
Uub
285
113
Ununtrium
Uut
284
114
Ununquadium
Uuq
289
115
Ununpentium
Uup
288
116
Ununhexium
Uuh
292
118
Ununoctium
Uuo
294


 

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Furey, Edward "Molecular Weight Calculator"; from http://www.calculatorsoup.com - Online Calculator Resource.

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