Which of the following reactions would be classified as oxidation-reduction?
check all that apply.
check all that apply.
2na(s)+cl2(g)→2nacl(s)
na(s)+cucl(aq)→nacl(aq)+cu(s)
nacn(aq)+cucl(aq)→nacl(aq)+cucn(s)

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.

‘which reaction would most likely require the use of an inert electrode?