Commercial Solutions  of  Strong Acids and Bases
Acid or Base   Molar Mass     Density, g/mL    Molarity   Mass %
CH3COOH         60.05         1.05             17.4       99.5
H2SO4           98.07         1.83             17.6       94
HF              20.01         1.14             25.7       45
HCl             36.46         1.19             12.4       38
HBr             80.91         1.52              9.0       48
HNO3            63.01          1.41             15.4       69
HClO4          100.46          1.67             11.6       70
H3PO4           98.00          1.69             14.7       85
NaOH            40.00         1.53             19.1       50
NH3             17.03          0.90             14.8       28

 

From:               http://www.ualberta.ca/~jplambec/che/p101/p01034.htm