Calculate the molar concentration of 29.25g of NaCl dissolved to make 500cm3 of solution? ?

To calculate the molar concentration of NaCl in the solution, we first need to determine the number of moles of NaCl present in 29.25g.

The molar mass of NaCl is 58.44 g/mol (sodium has a molar mass of 22.99 g/mol and chlorine has a molar mass of 35.45 g/mol).

Number of moles = Mass / Molar mass
Number of moles = 29.25g / 58.44 g/mol
Number of moles = 0.5 mol

Next, we need to calculate the molar concentration of NaCl in the solution.

Molar concentration = Number of moles / Volume of solution (in liters)
Volume of solution = 500 cm^3 = 0.5 L

Molar concentration = 0.5 mol / 0.5 L
Molar concentration = 1 mol/L

Therefore, the molar concentration of the NaCl solution is 1 mol/L.

Step 1: Convert the mass of NaCl to moles

Molar mass of NaCl = 22.99 g/mol + 35.45 g/mol = 58.44 g/mol

Moles of NaCl = mass of NaCl / molar mass of NaCl
= 29.25 g / 58.44 g/mol
= 0.5 mol

Step 2: Convert the volume of solution to liters

Volume of solution = 500 cm³ = 0.5 L

Step 3: Calculate the molar concentration

Molar concentration = moles of solute / liters of solution
= 0.5 mol / 0.5 L
= 1.0 M

Therefore, the molar concentration of the NaCl solution is 1.0 M.

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