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The result you obtained during measurement is in mg element per liter of the solution examined. If you've measured original sample, without any previous preparation and/or dilution, the result obtained is the final one (mg/L = ppm). If you've prepared your sample prior to analysis, some additional calculation is needed.
Assume, that you digested 500 mg of the soil in acid, and the final volume of your sample is 25 ml. The solution was measured on ICP-AES and 0.5 mg/L Cu was found. How much Cu the soil contains?
25000 microliter / 500 mg (or 25 ml / 0.5 g) = 50. This is your dilution factor. Multiply your measured result by this factor
0.5 mg/L Cu * 50 = 25 mg Cu per 1 kg of the soil.
Of course, if you diluted your digested sample during the measurement, this dilution factor also must be taken into account.
What else can I help you with?
Why is it possible to calculate equlibrium constant using amounts rather than concentrations?
It is possible to calculate the equilibrium constant using amounts (such as moles) because the equilibrium constant is a ratio of the concentrations of the products to the concentrations of the reactants, which can be directly related to the amounts of the substances involved. By using amounts instead of concentrations, we can avoid dealing with volume changes and variations in concentration units.
What is one word for a test using scientific methods?
Experiment.
How can you solve stability constant?
Stability constants can be determined experimentally by measuring the equilibrium concentrations of reactants and products in a complex equilibrium reaction. These data are then used to calculate the stability constant using equilibrium constant expressions. Alternatively, software programs like SQUAD or Hyperquad can be used to analyze and calculate stability constants based on experimental data.
What does the rate law used to determine the rate of a reaction?
The rate of a reaction is calculated using the concentrations of reactants.
How do you calculate weight of the alloy steel?
by using calculator
How do you use ice tables to calculate equilibrium concentrations in a chemical reaction?
To use ice tables to calculate equilibrium concentrations in a chemical reaction, you first write down the initial concentrations of reactants and products. Then, you set up a table to track the changes in concentrations as the reaction proceeds. By using the equilibrium constant expression and the stoichiometry of the reaction, you can calculate the equilibrium concentrations of all species involved.
How can one determine the acid dissociation constant (Ka) of a substance without using the pH value?
One can determine the acid dissociation constant (Ka) of a substance without using the pH value by conducting a titration experiment. In this experiment, a known concentration of the acid is titrated with a strong base of known concentration. By measuring the volume of base required to neutralize the acid, one can calculate the Ka value using the initial concentrations of the acid and base.
What is the context for an osmosis experiment?
The context for an osmosis experiment typically involves studying the movement of water molecules across a semi-permeable membrane. It aims to investigate how concentration gradients affect the direction and rate of water movement, and how different solute concentrations impact osmotic flow. The experiment can be conducted using various materials, solutes, and concentrations to observe and measure the osmotic process.
Why is it possible to calculate equlibrium constant using amounts rather than concentrations?
It is possible to calculate the equilibrium constant using amounts (such as moles) because the equilibrium constant is a ratio of the concentrations of the products to the concentrations of the reactants, which can be directly related to the amounts of the substances involved. By using amounts instead of concentrations, we can avoid dealing with volume changes and variations in concentration units.
How can one determine the equilibrium concentration in a chemical reaction?
To determine the equilibrium concentration in a chemical reaction, one can use the equilibrium constant, which is a ratio of the concentrations of products to reactants at equilibrium. By knowing the initial concentrations and the stoichiometry of the reaction, one can calculate the equilibrium concentrations using the equilibrium constant expression.
How to find the partial pressure at equilibrium in a chemical reaction?
To find the partial pressure at equilibrium in a chemical reaction, you can use the equilibrium constant expression and the initial concentrations of the reactants and products. Calculate the equilibrium concentrations of each species using the stoichiometry of the reaction and then use these concentrations to determine the partial pressures.
How do you calculate PH of weak acids?
To calculate the pH of a weak acid, you first need to write the equilibrium expression for the acid dissociation reaction. Then, set up an ICE table to determine the concentrations of the acid and its dissociation products at equilibrium. Finally, use the equilibrium concentrations to calculate the H+ concentration and then convert it to pH using the formula pH = -log[H+].
How can one calculate the equilibrium concentration from the initial concentration in a chemical reaction?
To calculate the equilibrium concentration from the initial concentration in a chemical reaction, you can use the equilibrium constant (K) and the stoichiometry of the reaction. The equilibrium concentration can be determined by setting up an ICE (Initial, Change, Equilibrium) table and using the given initial concentrations and the equilibrium constant to solve for the equilibrium concentrations.
Causation can be proved by using an?
experiment.
A sentence using the word experiment?
i hate experiment
How do you calculate a buffer solution?
To calculate a buffer solution, you need to determine the amount of a weak acid and its conjugate base needed to maintain a stable pH. This is done by using the Henderson-Hasselbalch equation, which involves the concentrations of the acid and its conjugate base, as well as the pKa of the acid.
How can one determine the acid dissociation constant (Ka) from the concentration of a solution?
To determine the acid dissociation constant (Ka) from the concentration of a solution, you can measure the concentrations of the acid, its conjugate base, and the equilibrium concentrations of both in the solution. By using these values in the equilibrium expression for the acid dissociation reaction, you can calculate the Ka value.
