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Saltpeter is a compound made of potassium (K), nitrogen (N), and oxygen (O). Every 100.00 g of saltpeter contains 38.67 g potassium and 13.86 g nitrogen. What is the mass of oxygen contained in 316.0mg of saltpeter?
what is the predominant intermolecular force dipole-dipole dispersion or hydrogen bonding in each of these compounds
calculate the quantity in grams of formic acid and sodium formate necessary to make 500 mL of a buffer that has a formic acid concentration of .75 M and a sodium formate concentration of .75 M
What type of orgainc compound is responsible for the fruity flavorings found in many natural substances
The NaHCO3 is the limiting reactant and the HCl is the excess reactant in this experiment. Determine the theoretical yield of the NaCl product.
A buffer solution is prepared by mixing 0.500 L of 1.50 M HF and 0.400 L of 0.95M KF. What is the pH of this buffer? [Ka(HF) = 6.30 × 10-4]
What is the order of the reaction and what is the value and unit of the rate constant for this reaction?
an equilibrium mixture of so2 o2 and so3 at a high temperature contains the gases at the following concentrations so2
What main type of intermolecular attraction would you expect for cl2c0?
Problem- You are given a solution that is a mixture of Co(NO3)2 (aq) and AgNO3 (aq). Devise a procedure using anions to separate the metal ions from each other. You must include a balanced chemical equation in your response.
What is the change in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M NaCH3CO2? The Ka for acetic acid is 1.8 x 10 -5.
Problem- What is the volume occupied by 23.4g of argon gas at a pressure of 1.48atm and a temperature of 414K
Question- A solution is made by mixing 500mL of 50mM acetic acid (pKa = 4.74) and 500mL of 50mM sodium acetate. What is the pH of the resulting solution
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