PLEASE HELP ME GUYS
Automobile batteries are filled with a solution of sulfuric acid, which has a density of 1.285 g/cm3. The solution used to fill the battery is 38% (by mass) sulfruic acid. How many grams of sulfuric acid are present in 500 ml of battery acid?

Question

PLEASE HELP ME GUYS
Automobile batteries are filled with a solution of sulfuric acid, which has a density of 1.285 g/cm3. The solution used to fill the battery is 38% (by mass) sulfruic acid. How many grams of sulfuric acid are present in 500 ml of battery acid?

anonymous · Answer

1 ml = 1 cm^3

anonymous · Answer

do you  know dimensional analysis?

ebydaqueen19 · Answer

YES YOU MEAN USING UNITS TO SOLVE PROBLEMS RIGHT?

anonymous · Answer

200g

anonymous · Answer

yeah, i guess you could say that.  did you try that?

ebydaqueen19 · Answer

I DIDNT KNOW WHAT TO DO ...

anonymous · Answer

|dw:1411846175584:dw|

ebydaqueen19 · Answer

IS THIS MOLARITY PROBLEM?

anonymous · Answer

no, no mention of moles

ebydaqueen19 · Answer

I KNEW YOU HAD TO MULTIPLY 38% AND DENSITY..LOL I WROTE THT DOWN

ebydaqueen19 · Answer

BUT I DIDNT NOE YU HAD TO MUTIPLY 500 ML SOLN..THANK YOU SO MUCH

anonymous · Answer

that's what you start with...

ebydaqueen19 · Answer

AND ALSO HOW DO YOU KNOW WHEN YOU NEED TO USE STOICHIOMETRY IN A PROBLEM?

anonymous · Answer

if they wanted to know how many grams of S or O, then you'd need to use the stoichiometry

ebydaqueen19 · Answer

OH SO WHEN THEY ASK YOU HOW MUCH OF SPECIFIC ELEMENT THTS HOW I WILLL KNOW?

anonymous · Answer

well, yeah.  you know by the context... by what it is you need, given what you have.  the problem tells you what to do if you learn how to listen

ebydaqueen19 · Answer

OKAY...THANKS FOR ALL YOUR HELP

anonymous · Answer

you're welcome!