c% = mdx100/ms
md = msxc%/100
Cm = md/miuxVs
md = CmxmiuxVs
ro. p = ms/Vs = ms/1000 (ml)
=> Cm = md/miux1 L
=> md = md
=> msxc%/100 = Cmxmiux1 L
ms = 1000xp
=> 1000xpxc%/100 = Cmxmiu
miu.HNO3 = 63 g/mol
=> 10xpxc% = 63xCm
=> p = 63x10,4/10x50 = 1,31 g/mL