QUESTION 4 In a diluted solution water is added and the concentration increases

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QUESTION 4 In a diluted solution water is added and the concentration increases water is added and the volume decreases D water is added and the concentration decreases. D water is added and the number of moles decreases. None of the above QUESTION 5 In the formula c1V1-c2V2 Oc1 is the concentration after adding water O c1 is the molarity after the dilution. O V1 is the volume after adding the water O c1 is the speed of light, 3-108 m/s. ONone of the above QUESTION 6 To find out the wavelength at which CoCI2 absorbs the most... We measure the absorbance at different wavelengths using the same concentration We measure the absorbance at different wavelength using the different concentrations O We measure the absorbance at the same wavelength using the same concentration. We measure the absorbance at the same wavelength using the different concentrations. O None of the above Click Save and Submit to save and submit. Click Save All Answers to save all answers.

Explanation / Answer

Ans 4 : water is added and the concentration decreases

When the water is added into a solution , its volume increases but the number of moles of the solute remains same. Due to this the concentration of the solution decreases and the solution becomes dilute.

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