How many moles of cuso4 are used to make 250 ml of a 0.50 m cuso4 solution? a) 0.002 mol b) 0.125 mol c) 0.319 mol d) 0.795 mol

We have 0.125 moles of CuSO4 (Option B)

Explanation:

Step 1: Data given

Volume = 250 mL = 0.250 L

Molarity  CuSO4 = 0.50 M

Step 2: Calculate moles

Molarity = Number of moles / volume (in L)

Number of moles = Molarity * volume

Number of moles CuSO4 = 0.50 M * 0.250 L

Number of moles CuSO4 = 0.125 moles

We can control this by calculating the molarity:

0.125 moles / 0.250 L = 0.50 M

We have 0.125 moles of CuSO4 (Option B)

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.