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What is the weight percent of a caffeine solution made by dissolving 8.35 g of caffeine C8H10N4O2 in 75 g of benzene C6H6?
The weight percent of a caffeine solution made by dissolving 8.35 g of caffeine in 75 g of benzene is calculated as: Weight percent = (mass of caffeine / total mass of solution) * 100 Weight percent = (8.35 g / (8.35 g + 75 g)) * 100 Weight percent ≈ 10.0%
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%.
A chemist has one solution that is 80 percent acid and another solution that is 30 percent acid How much of the first 80 percent solution is needed to make a 400 L solution that is 62 percent acid?
To create a 400 L solution that is 62% acid, you would need 200 L of the 80% acid solution and 200 L of the 30% acid solution. This would result in a final solution with the desired concentration.
What is the percent composition of hydrogen in benzene?
The percentage by mass of hydrogen in benzene (C6H6) is 7.74%. Benzene has a molar mass of 78.11 g/ mol. H has a molar mass of around 1.0079 g / mol. The molar mass of carbon is around 12.011 g / mol.
What is the normality for sodium hypochlorite containing 4 percent active chlorine?
To determine the normality of a sodium hypochlorite solution containing 4% active chlorine, you first need to calculate the molarity of the solution based on the percentage of active chlorine. Once you have the molarity, you can convert it to normality based on the reaction of sodium hypochlorite.
Calculate the mole fraction of benzene in solution containing 30 percent by mass in carbon tetrachloride?
calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetra chlorid
What is theMass percent of benzene?
The molar mass of benzene (C6H6) is 78.12 g/mol. To calculate the mass percent of benzene in a solution, divide the mass of benzene by the total mass of the solution, then multiply by 100. For example, if you have 10 g of benzene in a 100 g solution, the mass percent would be (10 g / 100 g) * 100 = 10%.
Mass percent of sol of benzene in toulene when mole fraction of benzene is 0.40?
To calculate the mass percent of benzene in the solution, we first need to convert the mole fraction of benzene to mass fraction using the molecular weights of benzene and toluene. Then, we can use the formula: Mass percent = (mass fraction of benzene / total mass of solution) x 100 Given the mole fraction of benzene as 0.40, we can use this information to determine the mass fraction and then calculate the mass percent of benzene in the solution.
A solution containing 30 percent insecticide is to be mixed with a solution containing 50 percent insecticide to make 200L of a solution containing 42 percent insecticide how much of the 50 percent in?
120liters
A solution containing 30 percent insecticide is to be mixed with a solution containing 50 percent insecticide to make 200 L of a solution containing 42 percent insecticide How much of the 50 percent i?
120
A solution containing 30 percent insecticide is to be mixed with a solution containing 50 percent insecticide to make 200 L of a solution containing 42 percent insecticide How much of the 30 percent i?
80 liters
What percent is a solution containing 1000 mg in 1000 ml in total?
The percentage of a solution containing 1000 mg in 1000 ml is 100 percent.
What is the weight percent of a caffeine solution made by dissolving 8.35 g of caffeine C8H10N4O2 in 75 g of benzene C6H6?
The weight percent of a caffeine solution made by dissolving 8.35 g of caffeine in 75 g of benzene is calculated as: Weight percent = (mass of caffeine / total mass of solution) * 100 Weight percent = (8.35 g / (8.35 g + 75 g)) * 100 Weight percent ≈ 10.0%
What percent is a solution containing 150mg of active substance in 20 ml?
0.75 %
What percent is a solution containing 1000 mg in 1000 ml total?
0.1%
What percent is a solution containing 1000 mg in a 1000 ml total?
0.1%
What percent is a solution containing 150 mg of active substance in 20 ml?
0.75
