1. Convert grams to kilograms:
* 150 g CaCO₃ = 0.15 kg CaCO₃
2. Convert milliliters to liters:
* 850 mL H₂O = 0.85 L H₂O
3. Calculate the concentration in kg/L (or g/mL):
* Concentration = (Mass of solute) / (Volume of solution)
* Concentration = 0.15 kg CaCO₃ / 0.85 L H₂O
* Concentration ≈ 0.176 kg/L CaCO₃
Important Note: This calculation assumes that the volume of the solution is approximately equal to the volume of the water. In reality, dissolving calcium carbonate will slightly increase the overall volume of the solution, but for practical purposes, this difference is often negligible.
Other ways to express concentration:
* Percent by mass: (mass of solute / mass of solution) x 100%
* To calculate this, you would need to know the density of the solution (which would be very close to the density of water).
* Molarity (M): Moles of solute per liter of solution. To calculate molarity, you'd need to convert grams of calcium carbonate to moles.
Let me know if you want the concentration expressed in a different way.
