/sci/ - Science & Math

/sci/, can you help me with something real quick? I've got a chem problem that's telling me to give it the grams of sulfuric acid in 48 mL of water, with a density of 1.35 g/mL and the sulfuric acid is 38.5% sulfuric acid by mass.

I've already figured out the mass is 64.8, but I don't know what they mean or how to calculate it if it's 38.5% sulfuric by mass.

Can you guys help an idiot? Pic related, what the online site keeps telling me

>>3272286

Criminals will get their hands on guns no matter what. By taking away legal gun ownership. you're disarming the now defenseless public.