Solving Using PPM (Parts Per Million)
Solving complex problems with precision demands meticulous measurement, and in this realm, Parts Per Million (PPM) emerges as a crucial metric. PPM, a unit of measurement expressing the ratio of one part of a substance to a million parts of the whole, plays a pivotal role in diverse fields such as environmental science, manufacturing, and quality control. This method enables practitioners to assess and address minute concentrations with unparalleled accuracy, making it an indispensable tool for achieving meticulous solutions in various domains.
Questions
- How can PPM be calculated in chemistry?
- What is molarity of K^+ in a solution that contains63.3ppm of K_3Fe(CN)_6.?(atomic masses are: K=39.1, Fe=56, C=12 , N=14)
- #"1.50 mL"# of a #"0.0500-M"# solution of calcium chloride, #"CaCl"_2#, was diluted with water to a volume of #"10.0 L"#. What is the concentration of #"Cl"^(–)# ions in the diluted solution in ppm?
- A sample of 300.0 g of drinking water is found to contain 38 mg Pb. What this concentration in parts per million?
- A 2400-gram sample of an aqueous solution contains 0.012 gram of #NH_3#. What is the concentration of #NH_3# in the solution, expressed as parts per million?
- If a solution is #1.1*"ppm"# with respect to calcium ion, what are #[Ca^(2+)]#, and #[Cl^-]# if the solution is prepared from calcium chloride?
- 4 mg of zinc found in 100g of oysters what is the ppm?
- A #300*lb# mass of a chemical is accidentally spilled into a dam whose volume is #1.362xx10^4*m^3#... What is the #"ppm"# concentration?
- What is the concentration in #"ppm"# if #18.5*g# of solute are dissolved in a #125*L# volume?
- How much would a dosage of 1g strontium chloride hexahydrate raise the PPM of strontium in a total water volume of 100L?
- How many grams to toothpaste to kill a rat? One of the leading toothpaste brands advertises Fluoride (NaF) at 1400ppm. And the MSDS for Sodium Fluoride says that 52mg/kg is enough to kill a rat. How would I calculate this?
- How do we determine molar concentrations from concentrations that are reported in #"ppm"#?
- H2S (g) concentrations of 660ppm is dangerous. (6) H2S generators continually release all of the gas they can every 15 minutes & the gas is never vented out of a room (vol 198,200L). How long will it take the H2S (g) concentration 2 reach dangerous level?
- What is the #"ppm"# concentration of salt in a solution composed of #3.5*g# of salt, and #96.5*g# water?
- If the concentration of #"SO"_2# in air is #"0.5 ppm"#, what is the percent by mass?
- What is the meaning of #"parts per million concentration"#? If the concentration is #"250 ppm"# with respect to #NaCl#, what are the concentrations of sodium and chloride ions?
- Why is PPM a useful measurement?
- A solution containing #25# #"ppm"# #KMnO_4# gives absorbance of #0.408# at a wavelength of #470# #nm# in a #1# #cm# path length. Calculate molar absorptivity and transmittance?
- Convert 355mL of a solution containing 6.31 ppm CaCO3 to mmol?
- How do we measure the concentration of a solution in #"parts per million"#?