You can use luminal to make it more visible. Trust me this is the answer because I had this question in my book. Hope it's useful.
This is a double replacement reaction. To balance the equation, you can not change the subscript because it will fully change the equation. Instead you change the coefficient infront of the element.
4 NaI + 1 Pb(SO4)2 —> 1 PbI4 +2 Na2SO4
Answer:
B
Explanation:
Trust me i just did this on study island hehe
Collect the salt water and put it in something where it can boil under fire or any other heat source capable to bring the water to boiling temperature. You can consume the collected water safely , but wait for its temperature to fall, except if you need it to be hot.
