The chemical formula is determined by chemical analysis of the components.
By determining the molecular mass, then dividing the molecular mass by the formula mass of the empirical formula to determine by what integer the subscripts in the empirical formula must be multiplied to produce the molecular formula with the experimentally determined molecular mass.
To determine the empirical formula of a polymer, first, identify the elemental composition by analyzing the polymer's molecular formula or by conducting elemental analysis to find the amounts of each element present. Next, convert these quantities into moles by dividing each element's mass by its atomic weight. Then, simplify the mole ratios to the smallest whole numbers to derive the empirical formula. Lastly, ensure that the empirical formula reflects the simplest ratio of the elements in the polymer.
Algebraic Steps / Dimensional Analysis Formula ____ lb*1 kg 2.2046 lb=? kg
To determine the density of a rubber eraser, you would first measure the mass of the eraser using a scale. Next, measure the volume of the eraser by submerging it in a graduated cylinder filled with water and recording the water displacement. Finally, divide the mass of the eraser by its volume to calculate the density.
aluminium+hydrochloric acid= aluminium chloride+hydrogen :)
The formula to calculate the rise and run of a staircase for deck steps is to divide the total height of the staircase by the desired number of steps to determine the rise, and then divide the total depth of the staircase by the number of steps to determine the run.
To solve a density problem, first identify the mass and volume of the substance in question. Use the formula for density, which is density = mass/volume. Ensure that the mass and volume are in compatible units, converting if necessary. Finally, perform the calculation to determine the density, and interpret the result in the context of the problem.
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Completing the square is advantageous in several situations:usually, it requires fewer steps than the quadratic formula, reducing the potential for error.it allows you to determine the exact value of the answer instead of a decimal approximation.it allows you to determine imaginary solutions.