maddbroms
07.05.2020 •
Mathematics
2 qurstions 100 points
1- What is the Molarity of 1.25 moles of NaOH in 250 mL of
water?
2- How do you dilute a 20 mL of a 5Molar solution to 0.5 Molar solution
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Ответ:
1). 1.25 / 250 = .005M
.005 = 1 liter
2). (20)(.5) = 10M
have a good day, and be safe
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Ответ:
Diameter = 15
Assume pi = 3.14
15 * 3.14 = 47.1 in.
The answer is A