How many moles of solid naf would have to be added to 1. 0 l of 0. 286 m hf solution to achieve a buffer of ph 3. 78? assume there is no volume change. Ka for hf = 7. 2 × 10 –4.

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"

Sorry i dont understand the question can you rephase it?

(no3)⁻n has oxidation number x,o has oxidation number -2.(x*1 -2*3) charge of the nitrate ion, and we know that charge of the nitrate ion =-1.so,(x*1 -2*3) =-1x-6=-1x=+5answer a. +5.

The breaking apart of glucose, which involves spontaneous reactions