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Why do chemists use molarity to express concentration of solutions rather than percent by volume or percent?
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There are several ways to express solution concentration dilute concentrated ppm molarity molality normality All of these have one thing in common They describe the what?
quantity of solute dissolved in a given quantity of solvent
What do chemists use the to express the concentration of hydrogen ions in a solution?
[H+]aq square brackets [ ] represent concentration the letter H represents the atomic symbol for hydrogen. the symbol + represents the charge which is associated with the hydrogen. aq represents aqueous which means solution.
What is the molality of solution?
The number of moles of a solute per kilogram of solvent. (Apex)
You mix 15g of sugar in enough water to make 1 L of solution The concentration of this solution is?
15 grams sugar per liter is the concentration, in terms of mass per volume. To express the concentration in molarity (assuming the sugar is sucrose): 15 g sucrose * (1 mole sucrose / 342 g sucrose) / 1 L = 0.0439 M aqueous sucrose
What is a unit often used to express the concentration of a solution in 1 divided by 1000000000000?
You think probable to a picogram.
Does molarity express concentration?
Yes
How do you express concentrations of solutions?
A solution concentration maybe expressed as g/liter but it is much more common and scientifically desired to express the concentration as a molarity or normality. So 36.5 g per liter of HCl would be 1 molar or 1 normal.
What Molarity and mole fractions are two ways to express solution?
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There are several ways to express solution concentration dilute concentrated ppm molarity molality normality All of these have one thing in common They describe the what?
quantity of solute dissolved in a given quantity of solvent
What do chemists use the to express the concentration of hydrogen ions in a solution?
[H+]aq square brackets [ ] represent concentration the letter H represents the atomic symbol for hydrogen. the symbol + represents the charge which is associated with the hydrogen. aq represents aqueous which means solution.
How are molarity and molality similar?
Both express moles of solute in the numerator.
What ratio does molarity express?
Moles of solute per liter of solution.
How do chemists express the degree of acidity or basicity of a substances?
ph scale
What is the molality of solution?
The number of moles of a solute per kilogram of solvent. (Apex)
Do moles express concentration?
Yes, the mol is the SI unit of concentration.
How is concentrated solution prepared?
You prepare a solution by dissolving a known mass of solute (often a solid) into a specific amount of a solvent. One of the most common ways to express the concentration of the solution is M or molarity, which is moles of solute per liter of solution.
How do you describe a concentrated solution?
A solution concentration maybe expressed as g/liter but it is much more common and scientifically desired to express the concentration as a molarity or normality. So 36.5 g per liter of HCl would be 1 molar or 1 normal.
