A perchlorate (ClO4 - ) ion-selective electrode immersed in 50.0 mL of unknown perchlorate solution gave a potential of +358.7 mV. When 1.00 mL of 0.050 M NaClO4 was added, the potential changed to +346.1 mV. Assuming that the electrode is ideal, find the concentration of ClO4 - in the unknown.

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback