Calculate the amount of miles of HCI is needed to make 500.0 mL of a 0.200M solution

0.4 moles

Explanation:

Given that:

Amount of moles of HCI = Z (let unknown value be Z)

Volume of HCl = 500.0 mL

Convert 500.0 mL to liters

If 1000ml = 1L

500.0 mL = (500.0 mL/1000mL) = 0.5L

Molarity of HCl solution = 0.200M

Recall that molarity of a solution is obtained by dividing the amount of moles by volume in liters

i.e Molarity = Amount in moles/volume

0.200M = Z x 0.5L

Z = 0.200M / 0.5L

Z = 0.4 moles

Thus, 0.4 moles of HCl is needed to make the solution

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