Question 2 5 pts
_AI(NO3)3 +
K2CO3 →
Al2(CO3)3 +
KNO3
What is the correct set of coefficients used to balance the equation above?
O 2, 3, 1,6
O 2, 6, 1, 3
O 2, 3, 1,9
O 3, 3, 1.2

2Al(NO3)3+3K2CO3->Al2(CO3)3+6KNO3

So the right answer is 2,3,1,6

Explanation:

First you look at the equation that isn't balance, you can see Al(NO3)3 while Al2(CO3)3, so you put 2 in Al(NO3)3.

Now we have 2Al is correct, but 6NO3. So we have 6KNO3, it also means we have 6K

Finally, we only have 2K as K2CO3 so we put 3 in it, so we have 3K2CO3.

Sorry about my explanation, it's hard to understand but the answer is correct.

14 days is the half-life of phosphorus-32