how to calculate percentage weight volume?
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['Write the equation used to calculate the weight/volume (%) : weight/volume (%) = (mass solute ÷ volume of solution) × 100.', 'Identify the solute: solute = sodium chloride = NaCl.', 'Extract the data from the question: mass solute (NaCl) = 5 g.']
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Divide to Get Weight Divide the volume percent of the first gas by 100, and then multiply the respective molar mass to calculate the weight of the first gass in one mole of the mixture. In this example, the mass of the oxygen is (70/100) x 32 = 22.4 grams.
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Once you know your body fat percentage, figure out how many pounds of fat you carry by multiplying your weight by the percentage of fat. For example, if you're a 200-pound man with 15 percent body fat, simply multiply 0.15 x 200, which results in 30, the number of fat pounds you carry.
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To find the volume of a box, simply multiply length, width, and height - and you're good to go! For example, if a box is 5x7x2 cm, then the volume of a box is 70 cubic centimeters.
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Convert to a Percentage Use the formula x = (c ÷ V) × 100 to convert the concentration (c) and volume (V) of the final solution to a percentage. In the example, c = 60 ml and V = 350 ml.
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So, the substance is important for an accurate conversion. For those people looking for the formula for converting volume to weight, and vice-versa, it looks like this (adapted from answers.com): Density = mass/volume (ρ=m/V). So V=m/ρ and has units (kilograms)/(kilograms per cubic meter)=cubic meter.
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['Determine the weight of each number.', 'Find the sum of all weights.', 'Calculate the sum of each number multiplied by its weight.', 'Divide the results of step three by the sum of all weights.']
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To calculate a weighted average with percentages, each category value must first be multiplied by its percentage. Then all of these new values must be added together. In this example, we must multiply the student's average on all tests (83) by the percentage that the tests are worth towards the final grade (40%).
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['Either add/subtract the percentage given in the problem from 100% to determine what percentage we have.', 'Find 1% by dividing by percentage found in previous step.', 'Find 100% (original amount) by multiplying your answer in step 2 by 100.']
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['F = Final exam grade.', 'G = Grade you want for the class.', 'w = Weight of the final exam, divided by 100 (put weight in decimal form vs. percentage form)', 'C = Your current grade.']
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Divide the mass of solids by the total mass of the solution, and then multiply the result by 100 to calculate the percentage of solids by weight. In this example, (17/167) * 100 = 10.18 percent.
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To find the volume of a box, simply multiply length, width, and height - and you're good to go! For example, if a box is 5x7x2 cm, then the volume of a box is 70 cubic centimeters. For dimensions that are relatively small whole numbers, calculating volume by hand is easy.
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['Calculate the weighting factor for each detail row.', 'Sum the weighting factor and the number of units sold.', 'Divide the summed weighting factor by the summed units.']
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Generally speaking, to calculate the percentage of bodyweight lifted upward, simply add up the percentages of all the body parts that are moving (or not moving) directly against gravity.
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['90% of a quantity. First find 10% of the quantity and then subtract that 10% from 100% of it.', '25% of a quantity. 25% is the same as 1/4. So to find 25% of a quantity, divide it by 4.', '12% of a quantity. First find 10% of it. ... ', '75% of a quantity. 75% is 3/4.']
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Add the sales volume from each category from the previous step to calculate the total sales. In the example, the total sales volume is $15 million. Divide each category total by the overall total and then multiply by 100. This gives you the percent of total sales represented in each category.
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Divide the mass by the density of the substance to determine the volume (mass/density = volume). Remember to keep the units of measure consistent. For example, if the density is given in grams per cubic centimeter, then measure the mass in grams and give the volume in cubic centimeters.