Determination Of Mass Percentage Of Water In Apple Wikipedia

The dry matter of plant and animal material consists of all its constituents excluding water. The mass of water is related to the number of water molecules n w by the following expression.

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determination of mass percentage of water in apple wikipedia

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M w n w m w n a where m w is the molecular weight of water 180 g per mole and n a is avadagros number 602 10 23 molecules per mole.

Determination of mass percentage of water in apple wikipedia. One degree brix is 1 gram of sucrose in 100 grams of solution and represents the strength of the solution as percentage by massif the solution contains dissolved solids other than pure sucrose then the 0bx only approximates the dissolved solid content. In order to calculate the mass percentage you must know how much salt was added to a certain amount of water. Where m w is the mass of the water and m sample is the mass of the sample.

The water content in a medium sized apple is 84 percent according to webmd. The dry matter or dry weight is a measurement of the mass of something when completely dried. Watermelon is a scrambling and trailing vine in the flowering plant family cucurbitaceaethere is evidence from seeds in pharaoh tombs of watermelon cultivation in ancient egyptwatermelon is grown in favorable climates from tropical to temperate regions worldwide for its large edible fruit which is a berry with a hard rind and no internal divisions and is botanically called a pepo.

For instance if you added 50 grams of nacl to 1000 grams of water that mass percent would be 501050 x 100 476. By weight the average human adult male is approximately 60 63 water and the average adult female is approximately 52 55 water. There can be considerable variation in body water percentage based on a number of factors like age health water intake weight and sex.

Fruits with higher levels include watermelon which has a 92 percent water content. Percentage water content of fruits and vegetables answers fruits vegetables item food weight g water weight percent water item food weight g water weight percent water apple 138 116 84 broccoli 44 40 91 apricot 106 92 87 cabbage 35 32 91 bananas 114 85 75 carrots 72 63 88 blueberries 145 123 85 cauliflower 50 46 92. The dry matter of food includes carbohydrates fats proteins vitamins minerals and antioxidants eg thiocyanate anthocyanin and quercetincarbohydrates fats and proteins which provide the energy.

The key to performing the calculation correctly is to note there are 2 atoms of hydrogen in each water molecule. Wikipedia is a free online encyclopedia created and edited by volunteers around the world and hosted by the wikimedia foundation. Degrees brix symbol 0bx is the sugar content of an aqueous solution.

In addition to providing nutrients high water fruits also regulate the human body which is 60 percent water. Pears have the same 84 percent water content as apples states sfgate. So in 1 mole of water there are 2 x 1008 grams of hydrogen.

Next you use the mass percentage formula. The total mass of the compound is the sum of the mass of the two hydrogen atoms and one oxygen atom.

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