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Q: The mass of 11.0 by mass solution is 8.32 g Its denstiry is 1.504 gmL What is the mass of the water in this solution?

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This is (mass of solute) divided by (mass of total solution) expressed as a percentage. The solute is what you are dissolving into the solution. Example: you have 90 grams of water, and you add 10 grams of salt (sodium chloride). The water is the solvent, sodium chloride is the solute, and the solution is salt water. 90 grams + 10 grams = 100 grams (mass of total solution). (10 grams) / (100 grams) = 0.1 --> 10% mass mass percent concentration.

21 Pounds.

All percentages are in mass% and all quantities are in grams (mass), be sure do not to take volumes into account because mass is 'additive', volumes are not quantitatively additable!Answer: Take whatever mass of 60 percent solution you have, multiply that mass by 20 (=60-40) and then divide that amount by 40, this is how much water to add to get an 40% solution.Example: Suppose you have 100 gram of 60% solution, then you should add:100 * (60-40)/40 = 100*0.50 = 50 gram of water; this is to be added to 100 gram of 60% solution to get (50 + 100 =) 150 gram of 40% solution.(see on top of the page to know why this calculation method is not valid for 'volumes')

percent by mass = (mass of solute) / (mass of solute + mass of solvent) x 100% Ex: if you need a 12% by mass solution of salt then the easiest way is to get 12 g salt and 88 g of water thus the total is 100 g. 12 / (12+88) x 100% = 12%

(75)/(100+75)x100% = 41.28% by mass

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To find the percent by mass of sugar: Mass of sugar = 35.8g Total mass of solution = 35.8g (sugar) + 125.35g (water) = 161.15g Percent by mass of sugar = (mass of sugar / total mass of solution) * 100 To find the percent by mass of water: Mass of water = 125.35g Total mass of solution = 161.15g (as calculated above) Percent by mass of water = (mass of water / total mass of solution) * 100

This is (mass of solute) divided by (mass of total solution) expressed as a percentage. The solute is what you are dissolving into the solution. Example: you have 90 grams of water, and you add 10 grams of salt (sodium chloride). The water is the solvent, sodium chloride is the solute, and the solution is salt water. 90 grams + 10 grams = 100 grams (mass of total solution). (10 grams) / (100 grams) = 0.1 --> 10% mass mass percent concentration.

To calculate the mole fraction of water in the solution, we first need to determine the moles of water and ethanol present. Given that the solution is 57% water by mass, we can assume the remaining 43% is ethanol. From there, we can convert the mass percentages to moles using the molar masses of water and ethanol, and finally, calculate the mole fraction of water by dividing the moles of water by the total moles of the solution.

The mass is 17 g.

The mass of salt reclaimed should be the same as the mass of salt that was put into the solution.

A 1:1 ratio can be defined in terms of volume or in terms of mass (weight). In either case, if the solution does not already contain water, a 1:1 ratio will require the same quantities of the solution and of water. The question suggests that the ratio is by mass, so add 32 ounces (mass) of water.

To find the molality of a solution, you need the mass of the solvent (usually water) in kilograms and the number of moles of solute (glucose). Given that the solution is 7.80% glucose by weight, you can calculate the mass of glucose in the solution and then convert it to moles using the molar mass of glucose. From there, you can find the molality by dividing the moles of glucose by the mass of the solvent in kilograms.

To determine the total mass of 1-pentanol that will dissolve in 110 grams of water to produce a saturated solution, you would need to know the solubility of 1-pentanol in water at a specific temperature. Once you have that information, you can calculate the total mass of 1-pentanol that will dissolve by adding the mass of the water to the mass of the 1-pentanol that can dissolve in it to form a saturated solution.

A mass of salt and water solution that has been left in a warm place for a long time becomes brine, and then eventually it becomes salt, because the water evaporates.

E Boiling is the measure of the energy required to vaporize the solution, converting the water at 100 degrees to steam at 100 degrees. E Boiling is calculated from values of solution mass during thepower-on portion of the run:E Boiling = (Initial Mass - Final Mass)*540*4.186,where Initial Mass is the solution mass at the start of the power-on portion of the run, and Final Mass is the solution mass at the end of the power-on portion of the run. The constant 540 is the heat of vaporization of water in calories per gram.

The mass of the solution would be the sum of the mass of the sodium chloride and the mass of water. So, the mass of the solution would be 17.8 grams (NaCl) + 217 grams (water) = 234.8 grams.

To make a 15.00% by mass aqueous solution with NaCl, the mass of NaCl is 255.0g. This means that 15.00g of NaCl is present in every 100.00g of solution. To find the mass of water needed, first calculate the mass of NaCl in the final solution, then subtract this amount from the total mass of the solution (water + NaCl).