Mass percent = grams of solute/total grams of solution
Mole fraction = mols component/total mols mix.
Molarity = mols solute/L solution
Molality = mols solute/kg solvent
Hope this helps :)
Fraction for 39 percent is 39/100
fifteen percent as a fraction is __15___ 100
The fraction for 6 percent is 6/100
The fraction is 1/6 and the percent is about 16.667%.
As a fraction, 32/1. As a percent, 3200%.
The molality is 5,54.
The three main ways are: molarity (M) = moles solute/liters solution; molality (m) = moles solute/kilograms solvent; mole fraction = moles 1 component/total moles all components. There's also percent by volume, percent by mass, and normality.
Percent by mass, percent by vol, molarity,molality, and mole fracton
molarity of 5% NaCl solution would be 1.25M.
The mole fraction and molality of ethanol -C2H5OH in an aqueous solution that is 45.0 percent ethanol by volume and the density of water is 1.00g per mL that of ethanol is 0.789 grams per mL and 70/18. A mole fraction in chemistry is the amount that is divided by the total amount of all constituents.
Assuming that is is a solution of glucose in water, the answer is 93%.
There are a number of ways to express the relative amounts of solute and solvent in a solution. This page describes calculations for four different units used to express concentration:Percent Composition (by mass)MolarityMolalityMole FractionPercent Composition (by mass)We can consider percent by mass (or weight percent, as it is sometimes called) in two ways:The parts of solute per 100 parts of solution.The fraction of a solute in a solution multiplied by 100.We need two pieces of information to calculate the percent by mass of a solute in a solution:The mass of the solute in the solution.The mass of the solution.Use the following equation to calculate percent by mass:TopMolarityMolarity tells us the number of moles of solute in exactly one liter of a solution. (Note that molarity is spelled with an "r" and is represented by a capital M.)We need two pieces of information to calculate the molarity of a solute in a solution:The moles of solute present in the solution.The volume of solution (in liters) containing the solute.To calculate molarity we use the equation:TopMolalityMolality, m, tells us the number of moles of solute dissolved in exactly one kilogram of solvent. (Note that molality is spelled with two "l"'s and represented by a lower case m.)We need two pieces of information to calculate the molality of a solute in a solution:The moles of solute present in the solution.The mass of solvent (in kilograms) in the solution.To calculate molality we use the equation:TopMole FractionThe mole fraction, X, of a component in a solution is the ratio of the number of moles of that component to the total number of moles of all components in the solution.To calculate mole fraction, we need to know:The number of moles of each component present in the solution.The mole fraction of A, XA, in a solution consisting of A, B, C, ... is calculated using the equation:To calculate the mole fraction of B, XB, use:by the amazing PITOGO HIGH SCHOOL of Makati CityIII-JADE
approximalety 2.94 molar
There are a number of ways to express the relative amounts of solute and solvent in a solution. This page describes calculations for four different units used to express concentration:Percent Composition (by mass)MolarityMolalityMole FractionPercent Composition (by mass)We can consider percent by mass (or weight percent, as it is sometimes called) in two ways:The parts of solute per 100 parts of solution.The fraction of a solute in a solution multiplied by 100.We need two pieces of information to calculate the percent by mass of a solute in a solution:The mass of the solute in the solution.The mass of the solution.Use the following equation to calculate percent by mass:TopMolarityMolarity tells us the number of moles of solute in exactly one liter of a solution. (Note that molarity is spelled with an "r" and is represented by a capital M.)We need two pieces of information to calculate the molarity of a solute in a solution:The moles of solute present in the solution.The volume of solution (in liters) containing the solute.To calculate molarity we use the equation:TopMolalityMolality, m, tells us the number of moles of solute dissolved in exactly one kilogram of solvent. (Note that molality is spelled with two "l"'s and represented by a lower case m.)We need two pieces of information to calculate the molality of a solute in a solution:The moles of solute present in the solution.The mass of solvent (in kilograms) in the solution.To calculate molality we use the equation:TopMole FractionThe mole fraction, X, of a component in a solution is the ratio of the number of moles of that component to the total number of moles of all components in the solution.To calculate mole fraction, we need to know:The number of moles of each component present in the solution.The mole fraction of A, XA, in a solution consisting of A, B, C, ... is calculated using the equation:To calculate the mole fraction of B, XB, use:by the amazing PITOGO HIGH SCHOOL of Makati CityIII-JADE
There are a number of ways to express the relative amounts of solute and solvent in a solution. This page describes calculations for four different units used to express concentration:Percent Composition (by mass)MolarityMolalityMole FractionPercent Composition (by mass)We can consider percent by mass (or weight percent, as it is sometimes called) in two ways:The parts of solute per 100 parts of solution.The fraction of a solute in a solution multiplied by 100.We need two pieces of information to calculate the percent by mass of a solute in a solution:The mass of the solute in the solution.The mass of the solution.Use the following equation to calculate percent by mass:TopMolarityMolarity tells us the number of moles of solute in exactly one liter of a solution. (Note that molarity is spelled with an "r" and is represented by a capital M.)We need two pieces of information to calculate the molarity of a solute in a solution:The moles of solute present in the solution.The volume of solution (in liters) containing the solute.To calculate molarity we use the equation:TopMolalityMolality, m, tells us the number of moles of solute dissolved in exactly one kilogram of solvent. (Note that molality is spelled with two "l"'s and represented by a lower case m.)We need two pieces of information to calculate the molality of a solute in a solution:The moles of solute present in the solution.The mass of solvent (in kilograms) in the solution.To calculate molality we use the equation:TopMole FractionThe mole fraction, X, of a component in a solution is the ratio of the number of moles of that component to the total number of moles of all components in the solution.To calculate mole fraction, we need to know:The number of moles of each component present in the solution.The mole fraction of A, XA, in a solution consisting of A, B, C, ... is calculated using the equation:To calculate the mole fraction of B, XB, use:by the amazing PITOGO HIGH SCHOOL of Makati CityIII-JADE
Percent concentration could mean many things...MOLARITY is defined as the moles of solute per unit volume of solution so 5 moles of NaCl in one liter of solution would be 5M (molar) NaCl solution.(Note: Solution is the solvent and solute combined, usually the solid is added and then the solution is filled to a certain line once the solid has dissolved.)MOLALITY is defined as the moles of solute per kilogram of solvent (NOT solution). So 5 moles of NaCl in one kilogram of water makes 5 mol/kg NaCl. (sometimes the symbol m is used for molality but is often confused with the unit of meters).For other types of "percent concentration" of solutions check:http://en.wikipedia.org/wiki/ConcentrationA cursory glance seemed to confirm the accuracy of the information.
The mole fraction of HCl in 20 percent aqueous solution is 0.21.