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ValentinkaMS [17]
4 years ago
7

How many grams of NaOH are needed to make 500 mL of a 2.5 M NaOH solution

Chemistry
1 answer:
Veronika [31]4 years ago
4 0
The number of grams  of NaOH  that are needed to make 500 ml of 2.5 M NaOH solution

calculate the number of moles =molarity x volume/1000

= 2.5 x 500/1000 = 1.25 moles

mass = moles  x molar mass of NaOH

= 1.25 x40= 50 grams of NaOH
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