Answer:
A strong acid completely ionizes in water.
P1V1/T1=P2V2/T2 P2=1/2 P1 V1=1 T1=298K
1 P1/298= (1/2) P1V2/373 cross P1
1/298=1/2V2/373
1/298=1/V2 746
v2=746/298
V2=2.5L
Answer:
The si unit used to measure weight is kilogram /kg
Phenolphthalein
In acid it is colourless and in water also colourless