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Using the quadratic equation to calculate H3O+ in 0.00250 M HNO2. what are the values of a,b,c, and x. Recall that Ka=4.5 x 10^4
Why does absorbance vs concentration calibration curve need not pass through origin (0,0) looking at beer lambert law?
Calculate the molar solubility of calcium hydroxide in a solution buffered at each of the following pH's.
If the average human body discharges 536 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft? Answer in units of mol.
How many moles of O2 are required for the complete reaction of 43.5 g of C2H4 to form CO2 and H2O
What NaCl concentration results when 219 mL of a 0.740 M NaCl solution is mixed with 492 mL of a 0.350 M NaCl solution?
A sample of gaseous C2H2 (acetylene, or ethyne) was stored for one year, yet at the end of this period the sample remained unchanged and no graphite or hydrogen gas had been formed. Briefly explain why there is no inconsistency between the sign of..
Perform whatever separations and tests you think necessary to determine which ions are in fact present
in order to make a solution that i s0.030 M in Cu SO4 what volume of the above solution should be diluted to 5.00 mL with water?
A 11.0 gram sample of nitrogen gas has a volume of 972 milliliters at a pressure of 2.81 atm. The temperature of the N2 gas sample is.
total reaction solution volume of 100 ml and use 1M HCl acid and 1M sodium Hydoxide. how do you accont for their different delta t and q neutralization?
In clavulanic acid there is a carbon-atom that that has an oxygen-atom, a nitrogen-atom, and a carbon atom attached to it
When a 1.30-g sample of ethanol (alcohol) is burned in a calorimeter, the heat released increases the temperature of 870g of water in the calorimeter from 18.5 C to 28.9 C .
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