Sorry for the mix up -- here's what DrBob222 posted for the Chm or Chemistry question:

What subject is CHR? If you don't label the subjects correctly the proper tutor won't know you need help. This question can't be answered as posted. You need the concentration of the H2SO4 or the density and percent H2SO4 if it isn't pure. If it's pure, then 100% H2SO4 is 36N. Then mL1 x N1 = mL2 x N2. 500 x 2 = mL2 x 36 Solve for mL2.

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