Answer:
To determine the mass of FeCO3 that can be produced, we need to calculate the amount of pure FeCO3 present in the given sample.
Given that the sample is 42% pure, we can calculate the mass of pure FeCO3 by multiplying the total mass of the sample by the purity percentage:
Mass of pure FeCO3 = (42/100) * 15 g
Mass of pure FeCO3 = 6.3 g
Therefore, 6.3 grams of pure FeCO3 can be produced from a 15 g sample.
Step-by-step explanation: