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Calculate the molality of commercial HCl solution which is 12.1Molarity, and has a density of 1.19g/mL, and is 37.2wt.%HCl.
why is my hydrogen peroxied based iodine clock zero order with respect to sulphric acid the acid is 0.05moldm-3 and i
A steel cylinder with a volume of 19.5 L contains N2 gas at a pressure of 91.0 atm and a temperature at 0 C. Determine the mass of N2 in the cylinder
The normal respiratory rate for a human being is 25.0 breaths per minute. The average volume of air for each breath is 505 cm3 at 20.0 degrees Celsius and 9.95 times ten to the fourth Pa.
Calculate the wavelength in meters of light absorbed by an electron in an atom of hydrogen as it moves from n = 3 to n = 6.
Write the chemical reaction for: KH2PO4/K2HPO4 buffer solution + NaOH (aq) and Write the chemical reaction for: KH2PO4/K2HPO4 buffer solution + HCl (aq)
what affect would each of the following changes in procedure have had on the calculated percentage of fat found for
Find the of % Nickel in the coin solution: molarity of Nickel is .8469 density of coin solution as 1.00g/mL
61.0 mL of a 1.70 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 119 mL of water. What is the final concentration
When 0.052 mol of aluminum sulfate are dis- solved in enough water to make 179 milliliters of solution, what is the molar concentration of aluminum ions?
write the net ionic equation, excess concentrated sulfuric acid is added to solid calcium phosphate
a few compounds exist whose solubility decreases as the temperature increases. how would the values for deltag deltah
as 3.6g soil sample was treated with hclo4 and hf was distilled from the mixture. the hf distillate was then diluted to
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