1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Conversion Problem

  1. Sep 9, 2012 #1
    1. The problem statement, all variables and given/known data
    Moon rock contains 0.10 g of water in every 100 g of moon rock. What mass of moon rock, in pounds, would a moon base have to process to recover 1.0 L of water?

    2. Relevant equations
    Density of water is 1.0 g/mL

    3. The attempt at a solution
    I tried to convert the grams into pounds but that got me nowhere.
  2. jcsd
  3. Sep 9, 2012 #2
    1) Set up your dimensional analysis table
    2) Plug your known values into 1st column
    3) Set the rest of the table so like units on top and bottom cancel each other

    remember that 1 L = 1000 mL
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook