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(75)/(100+75)x100%

= 41.28% by mass

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12y ago

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What is the percent of a solution containing 2.19 g NaCl in 75 g of the solution?

The percent of a solution is calculated by dividing the mass of the solute by the total mass of the solution, then multiplying by 100. In this case, the percent of the solution containing 2.19 g of NaCl in 75 g of the solution would be (2.19 g / 75 g) * 100 = 2.92%.


What is the percent by volume of 25 ml of methanol in 75 ml of water?

With 25ml methanol and 75ml water, there is 100ml in total. So there is 25/100 = 25% by volume methanol.


If a 25 g sample of sugar was dissolved in 50 g of water The concentration of the solution is?

To determine the concentration of the solution, we need to calculate the total mass of the solution first. The total mass is the sum of the mass of sugar (25 g) and the mass of water (50 g), which equals 75 g. The concentration of the solution is then calculated by dividing the mass of the solute (sugar) by the total mass of the solution: (25 g / 75 g) x 100% = 33.33%. Therefore, the concentration of the solution is 33.33%.


What has more thermal energy one gram of water at 75 degrees or 100 grams of water at 75 degrees?

(75'C)x(1g) < (75'C)x(100g) .'. The second option has more thermal energy.


The solubility of kno3 is 155g per 100g of water at 75 degree c and 38g at 25degreec the mass of kno3 will crystallize out of solution if 100g of it saturated solution is cooled from 75c to 25 c is?

I have read two methods to solve this up: the first says that at 75 degrees the solution mass is 100g of water + 155 g of KNO3 so its mass is 255g at 25 degrees the solution mass is 100 g of water + 38 g of KNO3 so its mass is 38 when we cool it down from 75 to 25 we will get 255-138=117g but this is the solution mass and u only want the mass of KNO3 because that is what will really crystallize...so for some reason i really dont get u do 117/255 and then multiply it by the mass of the demanded solution which is 100 g so the answer will be 45.88g nearly 45.9 g the second method is to assume that at 75 degrees there is in 100g of saturated solution, x g of water so KNO3 will be 1.55x total mass 100 x+1.55x=100 x= 39.126 1.55x=60.784 so at 25 degrees there is 0.39 x of KNO3 and x is 39.126 that means there is 0.38*39.126= 14.867 g of KNO3 therefore the mass of KNO3 that will crystallize is 60.784-14.867=45.917= 45.917 why 1.55x? because for each 100 g of water we have 155 g of solute...so 155/100 = the mass of solute for the new water mass/ the new water mass (x) so the mass of solute for the new water mass will be: 155x/100 or 1.55x! the same applies to 0.38x hope this helped =)


What number is 75 percent of 100?

75% of 100 = 75% * 100 = 0.75 * 100 = 75


What is the percent of 75 out 100?

% rate = 75%= 75/100 * 100%= 75 * 1%= 75%


How do you change 75 over 100 from a fraction to an percent?

75 over 100= 75/100 in decimal= 75/100 * 100%= 75% in percent


Will 110 g of KNO3 in 100 g of water at 40 degrees Celsius be saturated or unsaturated?

To determine if a solution is saturated or unsaturated, we need to compare the actual solubility of the solute at the given temperature to the amount of solute dissolved in the solution. At 40 degrees Celsius, the solubility of KNO3 in water is approximately 80 g/100 g water. Since you have 110 g of KNO3 in 100 g of water, the solution is supersaturated because it contains more solute than it can normally hold at that temperature.


What is 75 percent out of a 100 percent?

75% out of 100% is 75/100 or .75. In grade terms is a C.


What is an 75 percent as a fraction?

75 percent as a fraction = 75%/100% = 75/100 or 3/4


What is 75 perentage of 100?

It Is 75/100 (75)