18. What coefficients can be used to balance the following equation? (2 points) K2CO3 + FeCl3 -> KCI + Fez (CO3)3
2, 2, 4, 1
O 3, 2, 6, 1
O 1, 1, 2,1
O 3, 3, 6, 1

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration