The concentration of NaOCI is 6 %. Find the concentration of NaOCI in mol/L. (Assume the density is 1.00g/mL)(6% concentration=6 g of bleach/100 g of water).
The concentration of NaOCI is 6 %. Find the concentration of NaOCI in mol/L. (Assume the...
Calculate the concentration in % (w/w) 0f the following solutions. Assume water has a density of 1.00g/mL. A. 6.5 g of table salt and 100. mL of water B. 6.5 g of any solute and 100. mL of water C. 6.5 g of any solute and 100. g of any solvent
Please help me this concentration in parts per 8. Persons are medically considered to have lead poisoning if they have a concentration of greater than 10 micrograms of lead per deciliter of blood. What is this concentration in billion? Assume the density of blood is 1 g/mL. 9. Household bleach is a 5.0 mass % aqueous solution of sodium hypochlorite, NaOCI. What is the molality of the bleach? What is the mole fraction of NaOCl in the bleach? 10. Ethylene...
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCI, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make a 500.0 mL solution with a pH of 10.26.
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCI, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500 0 mL of a pH = 10.26 solution. Use the Ka of hypochlorous acid found in the chempendix.
2. a) What is the concentration of chlorine in mg/L of household bleach that contains 6 percent by weight of Cl2. Note the density of water is approximately 1,000 kg/m and specific gravity of Cl2 = 1.41 at 20 °C. b) If you are to use this bleach solution to treat 1,000 L water for disinfection, what is the volume of the bleach solution should you use to obtain a target chlorine concentration 1 mg/L?
The concentration for Na2S2O4 2. Determining the oxidizing capacity of a household cleanser or liquid bleach (a) Record the following data for the titration of a household cleanser (or bleach). Brand name of cleanser or bleach Data Trial 1 Trial 2 Mass of sample Trial 3 O.15 g 015 Volume of NA2S2O3 titrant O,13 g Final buret reading 150 13-7 13 16.2 19.3 lल mL mL mL Initial buret reading mL 15 mL mL Net volume of Na2S2O3 mL ....
Calculate the concentration in mol/L, M, of an aqueous sugаr solution with a concentration of 22.5% (w/w) and density of 1.070 g/mL at 25°C. The molecular weight of sugar is 342.30 g/mol. Report your answer to three significant figures. М.
B. Commercial nitric acid comes in a concentration of 16.0 mol/L. The density of this solution is 1.42 g/mL Calculate the percent (w/w) of nitric acid, HNO3, in this solution. How many milliliters of the concentrated acid have to be taken to prepared 250 g of a solution that is 10.0%(w/w) HNO3? C. Citric acid, H3C6H5O7, occurs in plants. Lemons contain 5% to 8% citric acid by mass. The acid is added to beverages and candy. An aqueous solution...
1. The LD50 of cocaine is 95.1 mg/kg. Calculate the concentration of a solution, in molarity if they drank 1 liter of it. 100 g / 303.346 g/mol = 0.329 mol of cocaine. 0.329 mol/ 1 L= 0.329 M for molarity. Is this correct? 2. Find one other concentration unit [mass/mass (g/g) or mass/volume (g/ml) percentage, ppm or ppb] that would be toxic to a 85 kg person. Assume the density of a solution of your substance is the same...
Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found in a well water sample at a concentration of 6.36 ppb. Assume the density of the water is 1.00 g/mL.