Ask a New Question

Question

Show calculations (labeled with units) needed to prepare 25 mL of 0.20 M Pb(NO3)2 and 25 mL of 0.20 M NaI.
8 years ago

Answers

DrBob222
Both are done the same way. Here is how to do the first one.
How many mols do you need? That's
mols = M x L = ?
Then mols = g/molar mass. You know molar mass and mols, solve for grams Pb(NO3)2 or NaI needed.
8 years ago

Related Questions

show calculations of the previous problem Show by calculations weather the following lines are parallel or not.. y + 5x = 1 and 0.2 = y - 5. Show calculations for how you will prepare 250 mL of 0.1 M AgNO3 solution from solid AgNO3 and water... Show calculations to support your answer V=ðr^2h cylinder h=12.4cm r=6.2cm show work please Show Calculations used in mkaing 250mL of 0.5M sodium acetate ph 4.7. You are given: 1M acetic... How do I show my calculations in the results section of the lab report? The lab is about waters equi... Modern calculations show that it takes how long from light created in the Sun's core to be released... 1. Show ALL calculations. Marks will be allocated for calculations and formulae. 2. You may use a... Show all steps and calculations. -20 -15 Show all steps and calculations -12 × 5 ÷ (-4)
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use