human
Question: Examine each of these chemical equations to determine which equation is correctly balanced.

Choices:
A) Mg(NO_{3})_{2} + K_{2}CO_{3} -> MgCO_{3} + KNO_{3}
B) Mg(NO_{3})_{2} + K_{2}CO_{3} -> MgCO_{3} + 2KNO_{3}
C) 2Mg(NO_{3})_{2} + K_{2}CO_{3} -> 2MgCO_{3} + KNO_{3}
D) Mg(NO_{3})_{2} + 2K_{2}CO_{3} -> MgCO_{3} + 2KNO_{3}
gpt
The correct answer is 1: Mg(NO_{3})_{2} + K_{2}CO_{3} -> MgCO_{3} + 2KNO_{3}.