Asked by _Unknown
Round your answer to the correct number of significant digits and show work.
1. How many grams of NaI would be used to produce a 2.0 M solution with a volume of 10.00 L?
2. What is the molarity of a 2.50 x 102 cm3 solution containing 450.0 g of C6H12O6 ?
3. How many moles of Sr(NO3)2 would be used in the preparation of 20.50 L of a 30.5 M solution
1. How many grams of NaI would be used to produce a 2.0 M solution with a volume of 10.00 L?
2. What is the molarity of a 2.50 x 102 cm3 solution containing 450.0 g of C6H12O6 ?
3. How many moles of Sr(NO3)2 would be used in the preparation of 20.50 L of a 30.5 M solution
Answers
Answered by
Gabby
For #1 I think-
20/10.00
149.89X20=2997.8 (not sure)
20/10.00
149.89X20=2997.8 (not sure)
Answered by
bobpursley
molarity=mass/(molmass*volumeinLiters)
a. mass=molarity*molemass*volumeinLiters
b. see definition above on Molarity
c.moles= molarity*volumeinliters
a. mass=molarity*molemass*volumeinLiters
b. see definition above on Molarity
c.moles= molarity*volumeinliters
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