During a laboratory activity to investigate reaction rate, a student reacts 1.0-gram samples of solid zinc with 10.0-milliliter samples of HCl(aq). The table below shows information about the variables in five experiments the student performed.
Experiment
Reaction of Zn() with NCH)
Description of Zine нска) )
Sample Concentration
mos
0.10
powder
0.10
me
0.10
mo
10
powde
10
2
3
Temperature
0
270
270
290
200
20
.
5
Which two experiments can be used to investigate the effect of the concentration of HCl(aq) on the reaction rate?
1.
1 and 3
2
1 and 5
3
4 and 2
4
4 and 3