We’re being asked to calculate themolarity (M)of a equipment of NaI. Recall thatmolarityis theratio that the mole of solute and the volume of systems (in liters). In various other words:

Molarity (M) = moles of soluteLiters of solution

We very first need to identify thenumber of mole of NaIsince this is the just information missing for united state to discover molarity. Notification that the volume of the solution in liters is currently given.

You are watching: What is the molarity of a solution prepared by dissolving 10.7 g nai in 0.250 l?

We’re provided themass that NaI, 10.7g. We have the right to use the molar mass of NaI to find the moles. The molar massive of NaI is

Themoles that NaIis:

10.7 g NaI (1 mol NaI149.89 g NaI)=0.0714 mol

We know that the volume the the equipment is0.250 L. We have the right to now calculate formolarity:


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Problem Details

What is the molarity of a solution prepared by dissolving 10.7 g Nal in 0.250 L?

A) 42.8

B) 0.0714

C) 2.86 x 10-4

D) 0.286

E) nobody of the above


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What scientific ide do you require to know in bespeak to fix this problem?

Our tutors have indicated the to solve this problem you will need to use the calculation Molarity concept. You deserve to view video lessons to discover Calculate Molarity. Or if you need an ext Calculate Molarity practice, girlfriend can likewise practice calculation Molarity exercise problems.


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Based on ours data, us think this difficulty is appropriate for Professor Planes' course at MDC.


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