This page lists examples of the orders of magnitude of molar concentration. Source values are parenthesized where unit conversions were performed. M denotes the non-SI unit molar:
Factor (Molarity) | SI prefix | Value | Item |
---|---|---|---|
10−24 | yM | 1.66 yM | 1 elementary entity per litre[1] |
8.5 yM | airborne bacteria in the upper troposphere (5100/m3)[2] | ||
10−23 | |||
10−22 | |||
10−21 | zM | 3.6 zM | solar neutrinos on Earth (6.5×1010 /cm2⋅s)[3] |
10−20 | 12 zM | radon in ambient, outdoor air in the United States (0.4 pCi/L ≈ 7000/L)[4] | |
10−19 | 120 zM | indoor radon at the EPA's "action level" (4 pCi/L ≈ 70000/L)[5] | |
686 zM | cosmic microwave background photons in outer space (413/cm3)[6] | ||
10−18 | aM | ||
10−17 | |||
10−16 | |||
10−15 | fM | 2 fM | bacteria in surface seawater (1×109/L)[7] |
10−14 | 20 fM | virions in surface layer North Atlantic seawater (10×109/L)[8] | |
50–100 fM | gold in seawater[9] | ||
10−13 | |||
10−12 | pM | 7.51–9.80 pM | normal range for erythrocytes in blood in an adult male ((4.52–5.90)×1012/L)[10][11] |
10−11 | 10–100 pM | gold in undersea hydrothermal fluids[9] | |
10−10 | 170 pM | upper bound for healthy insulin when fasting[12] | |
10−9 | nM | 5 nM | inhaled osmium tetroxide is immediately dangerous to life or health (1 mg Os/m3)[13] |
10−8 | |||
10−7 | 101 nM | hydronium and hydroxide ions in pure water at 25 °C (pKW = 13.99)[14] | |
10−6 | μM | ||
10−5 | |||
10−4 | 180–480 μM | normal range for uric acid in blood[10] | |
570 μM | inhaled carbon monoxide induces unconsciousness in 2–3 breaths and death in < 3 min (12800 ppm)[15] | ||
10−3 | mM | 0.32–32 mM | normal range of hydronium ions in stomach acid (pH 1.5–3.5)[16] |
5.5 mM | upper bound for healthy blood glucose when fasting[17] | ||
7.8 mM | upper bound for healthy blood glucose 2 hours after eating[17] | ||
10−2 | cM | 20 mM | neutrinos during a supernova, 1 astronomical unit|AU from the core (1058 over 10 s)[18] |
44.6 mM | pure ideal gas at 0 °C and 101.325 kPa[19] | ||
10−1 | dM | 140 mM | sodium ions in blood plasma[10] |
480 mM | sodium ions in seawater[20] | ||
100 | M | 1 M | standard state concentration for defining thermodynamic activity[21] |
101 | daM | 17.5 M | pure (glacial) acetic acid (1.05 g/cm3)[22] |
40 M | pure solid hydrogen (86 g/L)[23] | ||
55.5 M | pure water at 3.984 °C, temperature of its maximum density (1.0000 g/cm3)[24] | ||
102 | hM | 118.8 M | pure osmium at 20 °C (22.587 g/cm3)[25] |
140.5 M | pure copper at 25 °C (8.93 g/cm3) | ||
103 | kM | ||
104 | 24 kM | helium in the solar core (150 g/cm3 ⋅ 65%)[26] | |
105 | |||
106 | MM | ||
107 | |||
108 | 122.2 MM | nuclei in a white dwarf from a 3 M☉ progenitor star (106.349 g/cm3)[27] | |
109 | GM | ||
1010 | |||
1011 | |||
1012 | TM | ||
1013 | |||
1014 | |||
1015 | PM | ||
1016 | |||
1017 | 228 PM | nucleons in atomic nuclei (2.3×1017 kg/m3 = 1.37×1044/m3)[28] | |
1018 | EM | ||
... | |||
1077 | 3.9×1077 M | the Planck concentration (2.4×10104/m3), inverse of the Planck volume |
Submultiples | Multiples | |||||
---|---|---|---|---|---|---|
Value | SI symbol | Name | Value | SI symbol | Name | |
10−1 M | dM | decimolar | 101 M | daM | decamolar | |
10−2 M | cM | centimolar | 102 M | hM | hectomolar | |
10−3 M | mM | millimolar | 103 M | kM | kilomolar | |
10−6 M | µM | micromolar | 106 M | MM | megamolar | |
10−9 M | nM | nanomolar | 109 M | GM | gigamolar | |
10−12 M | pM | picomolar | 1012 M | TM | teramolar | |
10−15 M | fM | femtomolar | 1015 M | PM | petamolar | |
10−18 M | aM | attomolar | 1018 M | EM | examolar | |
10−21 M | zM | zeptomolar | 1021 M | ZM | zettamolar | |
10−24 M | yM | yoctomolar | 1024 M | YM | yottamolar |
![]() | Original source: https://en.wikipedia.org/wiki/Orders of magnitude (molar concentration).
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