a sample of 0.002 mole of HCL is dissolved in water to make a 2000mL solution. What is the molarity?
M = moles/L soln. Would you believe M = (0.002/2L) = ?
To find the molarity of the HCl solution, we need to use the formula:
Molarity (M) = moles of solute (n) / volume of solution (V)
Given that 0.002 moles of HCl are dissolved in 2000 mL of water (or 2 L), we can substitute these values into the formula:
Molarity = 0.002 moles / 2 L
Molarity = 0.001 M
Therefore, the molarity of the HCl solution is 0.001 M.
To find the molarity, you need to use the equation:
Molarity (M) = Moles of solute / Volume of solution (in liters)
Since the given moles are already in the question, you can directly substitute the values:
Molarity (M) = 0.002 moles / 2.0 liters
Note that you need to convert the given volume from milliliters (mL) to liters (L) by dividing it by 1000.
Now, let's plug in the values and solve for the molarity:
Molarity (M) = 0.002 moles / 2.0 liters
= 0.001 mol/L
Therefore, the molarity of the solution is 0.001 M.