Which concentration of HCl will yield the fastest reaction rate for this reaction?2 HCl (aq) + FeS (s) → H2S (g) + FeCl2 (aq)Question 1Select one:a.0.5 Mb.0.1 Mc.0.05 Md.1.0 M

Determine the number of grams H2 formed when 250.0 mL of 0.743 M HCl solution reacts with 3.41 × 1023 atoms of Fe according to the following reaction.2 HCl(aq) + Fe(s) → H2(g) + FeCl2(aq)

Mg + 2HCl ➔ MgCl2 + H21.5 g of magnesium takes 4 minutes to react completely. Calculate the mean rate of reaction. Give your answer in g/min.

3. A student conducts an experiment where she reacts a lump of zinc (Zn) with hydrochloric acid (HCl). The balanced equation below represents the reaction.     Zn +  2HCl  →  H₂  +  ZnCl₂   Which set of reaction conditions will produce H₂ at the fastest rate?*1.0 g of powdered Zn in 50mL of 1.0 M HCl at 20°Ca 1.0 g lump of Zn in 50mL of 0.5 M HCl at 30°C1.0 g of powdered Zn in 50mL of 1.0 M HCl at 30°Ca 1.0 g lump of Zn in 50mL of 0.5 M HCl at 20°C

A student performed an experiment in which they reacted 50cm3 of 0.300mol dm-3 sodium thiosulfate with 5.0cm3 of 2.000 dm-3 hydrochloric acid. They are investigating the affect of changing conditions on the rate of reaction. Which of the following concentrations of hydrochloric acid would result in the slowest rate of reaction?

Identify the type of reaction below:Mg + 2 HCl --> MgCl2 + H2