Help is really needed?(Need an expert in chemistry)?

Paras B · #1 (**permalink**) 03-08-2008, 06:11 PM

n1 * v1 = n2 * v2

5 x 3 = 12 * v2

v2=15/12 L = 1.25 L

Regiona ast · #2 (**permalink**) 03-08-2008, 06:12 PM

Calculate the volume of concentrated hydrochloric acid required to prepare 5.00 L of 3.00 mol/L solution to prepare a concrete surface for painting. Concentrated hydrochloric acid is 12.0 M.

a. 1.25 L

b. 2.30 L

c. 7.00 L

d. 19.0 L

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