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the concentration of an antibacterial component in a disinfectant solution was found to be 10.2% by mass, with a density of 1.05 g/mL. in 2.50 L of disinfectant solution, how many grams of the antibacterial compound are present?
1. What is the molar concentration of Aki’s disinfectant if she dissolved 5Tbsp. of
NaClO (sodium hypochlorite) in 3.8 liters of H2O (water)?
2. Compute for the molality of her disinfectant if she dissolved 5Tbsp. of NaClO
(sodium hypochlorite) in 3.8 liters of H2O (water).
3. Calculate the percent by mass of sodium hypochorite in her disinfectant solution. (
5Tbsp. of NaClO (sodium hypochlorite) and 3.8 liters of H2O (water). In units of grams
for both of the solute and solvent.
4. Calculate the mole fraction of sodium hypochorite and water in Aki’s solution. (
5Tbsp. of NaClO (sodium hypochlorite) and 3.8 liters of H2O (water).
5. Calculate the percent by volume of the disinfectant Aki made. Units in mL.
6. What is the concentration of her solution in parts per million? ( 5Tbsp. of NaClO
(sodium hypochlorite) and 3.8 liters of H2O (water).
when stored in containers made of sodium silicate, hydrofluoric acid attacks the container to give hexafluorosilicic acid, sodium fluoride and water. write and balance the reaction between sodium silicate and hydrofluoric acid. how many grams of hydrofluoric acid is needed to completely dissolve a 100.0-gram weighing beaker made of sodium silicate?
multiple rivers that are carrying water from melting snow from many mountains to feed Van Lake during springtime. these mountains get around 1.96 km^3 snowfall through winter. if all the snow melts at once, calculate the change in the water level of Van Lake in meters? ( Van Lake surface area: 3713 km^2 , d(snow) = 0.92 g/cm^3 , d(water) = 1.0 g/cm^3 )
How will you synthesise valine using Gabriel phthalimide synthesis? Explain giving the sequence of reactions involved.
Use the half-reaction method to balance the following equation and then identify the oxidizing and reducing agents:
Fe(OH)2 (s) + Pb(OH)3 -(aq) → Fe(OH)3 (s) + Pb(s) [basic
A hot air balloon can contain upwards of 16,000 L of gas (at STP)
how many combined molecules/atoms of air will be present?
how can the rate of reaction be accurately measure between calcium carbonate chips and hydrochloric acid
how many grams of oxygen are completely consumed in the production of 1.00 mole of Na2O
When 15 g CO and 8 g H2 are reacted ,what is the limiting reactant?
CO+3H2 →CH4+H2O
