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A scientist wants to make a solution of tribasic sodium phosphate. Na3PO4 for a laboratory experiment. how many grams of Na3PO4 will be needed to produce 625 mL of a solution that has a concentration of Na+ ions of 0.700 M?
Use ICE table and henderson-hasselbach equation to calculate pH of BUFFER A after your particular volume of acid was added to achieve pH change of 1.0.
How many grams of sodium formate, NaCHO2, must be added to 750.0mL of .250 M of formic acid, HCHO2, to obtain a buffer with pH of 5.5
When combining atomic orbitals to form hybrid orbitals, how many hybrid orbitals are formed
Calculate the change in pH when 5.00 mL of .100 M HCL is added to 100 mL of a buffer solution
calculate the moles of h2 present in this gas sample. . 9. 1.0 gram of water at 25 c is heated to 100 c at which point
Determine the structures of the compounds that would give the products
A solution of magnesium chloride is mixed with a solution of sodium hydroxide. Predict any precipitates that are formed
If 8.40 kJ of heat is needed to raise the temperature of a sample of metal from 15 degrees celsius to 20 degrees celsius, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 25 degrees celsius to ..
115 grams of KCl is dissolved in 750mL of water (assume density=1.005g/mL). What are the molality, molarity, mole fraction, mole percent, % mass, ppm by mass
When 5.0 g of an unknown compound is dissolved in 200.0 g of carbon tetrachloride, CCl4, the freezing point of the solution is -31.8 degC. The freezing point of pure carbon tetrachloride is -22.3degC
You are asked to determine the strength of an acid by titration with NaOH. Exactly 50.0 ml of the acid are titrated with 0.300M NaOH and the equivalence point is reached at exactly 20.0 ml of NaOH. What is the molar strength of the acid
hydrogen and oxygen gas combine explosively to produce water. write a balanced chemical equation for this process. if
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