Why is important to use the same ink dots for both the alcohol and oil experiments?

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?