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tory Bookmarks Tools Window Help e How Many Grams Of Soli, , Kane Brown-Heave.. http://www...%20KBr%3F , s a search ns/mod/ibis/view.php?id-4111135 4Jump to... 017 08:53 A Prit Calculator Periodic Table Question 17 of 21 Sapling Learning You have 47.0 mL of a 0.500 M stock solution that must be diluted to 0.100 M. Assuming the volumes are additive, how much water should you add? Number mL O Previous Give Up & View Solution Check Answer Next y Hint about us careers privacy policy terms of use contact us help

Explanation / Answer

use dilution formula

M1*V1 = M2*V2

Here:

M1 is molarity of solution before dilution

M2 is molarity of solution after dilution

V1 is volume of solution before dilution

V2 is volume of solution after dilution

we have:

M1 = 0.5 M

M2 = 0.1 M

V1 = 47.0 mL

we have below equation to be used:

M1*V1 = M2*V2

V2 = (M1 * V1) / M2

V2 = (0.5*47)/0.1

V2 = 235 mL

This is final volume of solution

volume of water = V2 - V1

= 235 mL - 47.0 mL

= 188 mL

Answer: 188 mL

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