Answer:
B) 0.230 M
Explanation:
The first step is to <u>balance the reaction</u> between the Ferrous ion and the permanganate ion:

Then we have to <u>calculate the moles</u> of
:



Then using the <u>molar ratio</u> we can find the moles of
:

Finally we can calculate the molarity:

Remember Tin isn’t Ti, it’s actually Sn and by looking at the periodic table you find it is 118.7 g
Anything less that 7, would be a base.
Answer:
Burning of paper is not a physical change.It is chemical change as ash is formed in the process which is new compound and oxides of carbon are also released during the process!