When a ph probe is inserted into a solution containing the chloride ion it is neutral. what is the ph of a solution containing the fluoride ion? view available hint(s) when a ph probe is inserted into a solution containing the chloride ion it is neutral. what is the ph of a solution containing the fluoride ion? the solution will be weakly acidic the solution will be weakly basic the solution will be strongly basic the solution will be neutral. the solution will be strongly acidic. submit part b the ka of nh4+ is 5.6 × 10−10. the kb of cn− is 2 × 10−5. the ph of a salt solution of nh4cn would be: view available hint(s) the of is . the of is . the ph of a salt solution of would be: less than 7 because nh4+ is a stronger acid than cn− is a base. greater than 7 because cn− is a stronger base than nh4+ is an acid less than 7 because cn− is a stronger base than nh4+ is an acid. greater than 7 because nh4+ is a stronger acid than cn− is a base. submit provide feedback

Since the gas in your graduated cylinder is a mixture of butane and water vapor, you must determine the partial pressure of the butane, pbutane, alone. to do this, consult a reference and record the partial pressure of the water vapor, pwater, at the temperature you recorded. use the following formula to compute the partial pressure of the butane. pbutane = atmosphere - pwater use the following combined gas law formula and compute the volume that the butane sample will occupy at stp. (hint: convert both temperatures to kelvin.) pbutane x voriginal = pstandard x vfinal troom tstandard use the following ratio and proportion formula to determine the mass of butane needed to occupy a volume of 22.4 l at stp. grams of butane you used “x” grams of butane ml of butane corrected to stp = 22,400 ml compute the theoretical molar mass of butane based on its formula and the atomic masses on the periodic table. compare your experimental results from #3 to the theoretical value of #4, computing a percent error of your findings using this formula: % error = measured value - accepted value x 100 accepted value use the following ratio and proportion formula to determine the mass of butane needed to occupy a volume of 22.4 l at stp. need asap

Salt in oceans comes from and of rocks

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.