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A very strong Acid --- or Base-. A pH=7 reading means an equal concentration of H+ and OH-. A pH reading of say 1 shows a very high concentration of H+ with an exceedingly low concentration of OH-.
Very high pH
These gases exist only in very low concentration and also are very unreactive.
From high concentration to low concentration.
Yes, they move from high, to low.
The concentration of sodium chloride in icebergs is very low.
Uranium can be detected in the atmosphere near uranium plants and mines. Working with care the concentration is extremely low and without significance.But if the sample is sufficiently great any element can be detected in any atmosphere.
A very strong Acid --- or Base-. A pH=7 reading means an equal concentration of H+ and OH-. A pH reading of say 1 shows a very high concentration of H+ with an exceedingly low concentration of OH-.
Only in air; the concentration is very low, 0,001818 %.
The concentration of sodium in raw carrots is very low.
Ozone level is the concentration of ozone. It should not be very low.
Very high pH
the concentration of urea should be kept low in the dialysis fluid because urea is harmful for our body if it is not removed.
When molecules move down the concentration gradient, they are moving from an area of high concentration to an area of low concentration. This movement occurs spontaneously to equalize the concentration of molecules in the given environment.
A solution with a low concentration contains a small amount of solute dissolved in a larger amount of solvent. This means there are relatively few solute particles present compared to the solvent. Low concentration solutions are often used for dilution purposes or in very sensitive analytical techniques.
When the pH is high, the concentration of hydrogen ions is low. This is because pH is the negative logarithm of the hydrogen ion concentration, so a higher pH value corresponds to a lower concentration of hydrogen ions.
A concentration is low at any point where it is not high or medium.