Describe the preparation of: A/ 5.00L of 0.05 KMnOu from the solid reagent.

B/ 200 mL of 1% (W/v) aqueous Cuso4 from 0.365 M CuSo4 Solution.

C/ 1.50 L of o.215 M NaOH from the concentrated commercial reagent (5% NaOH (w/w) Sp. gr = 1-526)

D/ 1.5L of a solution that is 12.0 ppm in K+

An example of technology is the a. addition of a side group to an organic molecule during synthesis. b. use of a new antibiotic to fight an infection. c. measurement of iron concentration in a water sample. d. study of atomic fusion reactions

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5