Volcano you make the volcano with baking soda and vinegera
Answer:
192g
Explanation:
so for this find out there moles of CH4 by moles=mass/mr
48/16=3 then use molar ratio 1:2 so times it by 2 which is 6 moles. then uses mass =moles*mr so 6*32=192g is the answer hope this helps to understand.
Physical reaction is something you can detect using your senses
Krypton is in group 18, and so it has 8 valence electrons. B is the answer
