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+

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

the answer is d.) potassium

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