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Chemistry 18 Online
OpenStudy (toxicsugar22):

A sip of wine is about 2.0 ml. If a bottle of Lafite Rothchild cost $278 and contains 24.5 fl. ounzes, how much does just one sip cost. (1 fl. oz is 29.6 ml)

OpenStudy (australopithecus):

first convert fl. ounzes to mL

OpenStudy (australopithecus):

in terms of the bottle, then it is as simple as setting up a ratio and canceling out units

OpenStudy (australopithecus):

you want to be left with dollars obviously

OpenStudy (australopithecus):

you can do this

OpenStudy (toxicsugar22):

is it .827702 ml

OpenStudy (australopithecus):

yup https://www.wolframalpha.com/input/?i=+24.5+fl+ounce+to+mL

OpenStudy (toxicsugar22):

so it is 725.6 ml

OpenStudy (australopithecus):

i guess

OpenStudy (australopithecus):

use the conversions the question gave you

OpenStudy (australopithecus):

or dont doesnt matter really

OpenStudy (toxicsugar22):

1 milliliter = 0.0338140227 US fluid ounces

OpenStudy (australopithecus):

you got your conversion move on lol

OpenStudy (toxicsugar22):

1 milliliter = 0.0338140227 US fluid ounces do we use that too

OpenStudy (australopithecus):

just use whats in the question

OpenStudy (australopithecus):

already so the person marking or computer marking doesnt get confused

OpenStudy (australopithecus):

I was just showing you that you can check your conversion with that site

OpenStudy (australopithecus):

anyways moving on you know what to do next right? It is just canceling units, you obviously want the final units to be in dollars

OpenStudy (australopithecus):

what?

OpenStudy (australopithecus):

why are you using fluid ounces, and you need to always right units next to your numbers

OpenStudy (australopithecus):

If a bottle of Lafite Rothchild cost $278 and contains 24.5 fl. ounzes or 725.6 ml this is the same as that density question You want to know how much 2mL from the bottle costs so obviously you need your final units to be in dollars

OpenStudy (australopithecus):

set up a ratio

OpenStudy (australopithecus):

so you get (725.6mL/$278) = 2.61mL/$

OpenStudy (australopithecus):

so for every 2.61mL you have to pay 1 dollar

OpenStudy (australopithecus):

same thing as the density question make a wild guess what is done next

OpenStudy (australopithecus):

Not to rush you but I have to sleep soon I have class at 10am tomorrow and its 12:26am here

OpenStudy (australopithecus):

its not and your units are wrong for the answer you got

OpenStudy (australopithecus):

it should be 2.61mL^2/$

OpenStudy (australopithecus):

but you are looking for an answer is dollars

OpenStudy (australopithecus):

in dollars*

OpenStudy (australopithecus):

Hint: YOU WANT UNITS TO CANCEL

OpenStudy (toxicsugar22):

or can you just show me how to make it faster with the steps and solution

OpenStudy (australopithecus):

or three numbers

OpenStudy (australopithecus):

set up a ratio that cancels mL out and leaves you with $

OpenStudy (australopithecus):

when you multiply it by the 2mL

OpenStudy (toxicsugar22):

canypu jsu give me the soution this time around

OpenStudy (australopithecus):

I just did, I just didnt give you the math, seriously you are close you just made a mistake with how you set up your ratio

OpenStudy (australopithecus):

I'm not even sure if you understand unit canceling

OpenStudy (australopithecus):

or maybe you are just tired and frustrated

OpenStudy (australopithecus):

I know you can do this question lol

OpenStudy (australopithecus):

its just about taking the three numbers you have and ending up with $ as your final unit

OpenStudy (australopithecus):

no

OpenStudy (australopithecus):

that answer is wrong

OpenStudy (australopithecus):

go back

OpenStudy (australopithecus):

you have, 2.0 ml (the amount you want to know the price of), $278 and 756.2mL of whatever that banking serum is

OpenStudy (australopithecus):

I'm trying to

OpenStudy (australopithecus):

you cant add numbers with different units

OpenStudy (australopithecus):

its the same as the density formula

OpenStudy (australopithecus):

the reason you cant add numbers with different units is because it makes no sense to

OpenStudy (australopithecus):

you are just canceling units its the same thing you have been seeing over and over

OpenStudy (australopithecus):

You know how to do this

OpenStudy (toxicsugar22):

is it 5.440287769

OpenStudy (australopithecus):

just stop and think about this how can you set up a ratio that will cancel out mL from $278 and 756.2mL

OpenStudy (australopithecus):

you almost had the answer your first try but you had the ratio upside down thats why you got weird units (mL^2/$)

OpenStudy (australopithecus):

does that number even make sense to you

OpenStudy (toxicsugar22):

just give me the answer with solution and i will learn from your notes please. you have to go to be soon.

OpenStudy (toxicsugar22):

i will learn this dont worry.

OpenStudy (australopithecus):

how is 2mL of a $278 per 756.2mL worth $105111.8

OpenStudy (toxicsugar22):

is it .73525522

OpenStudy (australopithecus):

yes

OpenStudy (toxicsugar22):

and units is$

OpenStudy (australopithecus):

yes

OpenStudy (australopithecus):

wow you did it

OpenStudy (australopithecus):

it was really easy right?

OpenStudy (australopithecus):

you should be able to solve these problems for yourself by now I dont know if I can explain them any further if yo uwant me to check your answer fine but I'm not here to do your work for you I have my own work to do

OpenStudy (toxicsugar22):

so in scientific notation. it will be 7.3 * 10 $ in terms of sig figs

OpenStudy (australopithecus):

yes

OpenStudy (australopithecus):

or 7.3*10^1

OpenStudy (toxicsugar22):

ok thanks

OpenStudy (toxicsugar22):

go to bed know

OpenStudy (australopithecus):

wow I feel used haha jk

OpenStudy (toxicsugar22):

no no

OpenStudy (toxicsugar22):

dont feel thatway,. please im so bad at chemistry. its not funny

OpenStudy (australopithecus):

you aren't even doing chemistry yet this is just unit conversion, this is applied mathematics

OpenStudy (australopithecus):

Chemistry is pretty rad once you get into it

OpenStudy (australopithecus):

just hang in there I'm sure you will do fine anyways good night

OpenStudy (toxicsugar22):

thanks

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