What are the concentrations of the invidual ions
Question: A solution is prepared by diluting 25.00 ml of a .308 M solution of NiCl2 to a final volume of 0.500 L. What are the concentrations of the invidual ions Ni and Cl in this solutions?
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Each of 2 front tires in the car is filled with a different gas. One tire contains 116 g of helium, another tire has 160 g of unknown gas. How many times heavier is a molecule of the unknown gas than an atom of helium
A buffer solution contains 0.71 mol of boric acid (H3BO3) and 0.53 mol of sodium dihydrogen borate (NaH2BO3) in 4.00 L. The Ka of boric acid (H3BO3) is Ka = 5.8e-10. pH of buffer solution
FInd the definition of cross-linking. How does cross-linking change the properties of a polymers
Each component contains different metals and minerals. The pebbles and shells can easily be separated from the sand. Which term or terms could be used to describe this sample of sand?
The volume of a gas is 2.50 L, measured at 1.00 atm. What is the pressure of the gas in mmHg if the volume is changed to 9.41 L
What mass of NH3 in gm must be used to produced 54 tons of HNO3by ostwald process assuming on 80%yield in each step. ---------gm of NH3
A mole of photons is called an einstein. Calculate the radiant energy of an einstein if the photons have a wavelength of 608.7 nm.
What is the percent difference, Δ, between the newtonian and the relativistic values for the momentum of a meteroid reaching the earth at a speed of 71 km/s?
a) A particular chip snack food is composed of 11% protein, 10.% fat, and the rest carbohydrate. What percentage of the calorie content of this food is fat in%? b) How many grams of protein provide the same fuel value as 40. g of fat in g?
Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 x 10-2 hr -1. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22. hours?
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