If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be?

0,15 moles of NaOH-------in------------1000ml x moles of NaOH------------in--------100ml x = 0,015 moles of NaOH
final volume = 150ml
0,015 moles of NaOH---in-------150ml x moles of NaOH--------------in-----1000ml x = 0,1 moles of NaOH
answer: 0,1mol/dm³ (molarity)

Answered by pyromorphite | 2024-06-10

If **water **is added to 100 ml of a 0.15 M NaOH **solution **until the final volume of 150 ml. The **molarity **of the diluted solution is 0.1 mol. L.
What is molarity?
**Molarity **is the measure of the **concentration **of any solute per unit volume of the solution .
M o l a r i t y = v o l u m e o f so l u t i o n m o l e o f so l u t e ​
**Moles **of solute is 0.15 mol. L^-^1 \times 100 \times 10^-^3 \;L
Volume is **150 **ml
**Putting **the value
Molarity = \dfrac{0.15 mol. L^-^1 \times 100 \times 10^-^3 \;L}{150\; ml} =0.1 mol \times L
Thus , the **molarity **of the diluted solution is 0.1 mol. L.
**Learn **more about molarity
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Answered by mahima6824soni | 2024-06-24

The molarity of the diluted NaOH solution is 0.1 M. This was determined by calculating the number of moles in the original solution and then dividing that by the new total volume after dilution. The dilution does not change the number of moles, only the concentration in the larger volume.
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Answered by mahima6824soni | 2024-10-01