Question

You mix 12g of calcium carbonate to neutralize 48 ml of acid. What is the concentration?

A) 0.25 g/mL
B) 0.5 g/mL
C) 1 g/mL
D) 2 g/mL

Answer 1

The concentration of the calcium carbonate solution used to neutralize the acid is 0.25 g/mL (option A), corresponding to answer choice A) 0.25 g/mL.

Step-by-step explanation:

To calculate the concentration of the calcium carbonate solution used to neutralize the acid, you need to use the provided volume of the acid and the mass of calcium carbonate. Concentration is typically given in units of mass per volume, such as grams per milliliter (g/mL). You mixed 12g of calcium carbonate and used 48 mL of acid for neutralization. By dividing the mass by the volume, you can find the concentration:

Concentration = Mass (g) / Volume (mL) = 12 g / 48 mL = 0.25 g/mL

Therefore, the concentration of calcium carbonate in the solution is 0.25 g/mL, which corresponds to answer choice A) 0.25 g/mL.