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samantha9014
13.12.2021 •
Chemistry
Calculate the number of mole of NaOH needed to prepare 250 mL 0.30 M NaOH solution. (Relative Atomic Mass: Na = 23.0; H = 1.0; O = 16.0]
A)75.00 mol
B)0.833 mol
C)1.200 mol
D) 0.075 mol
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Ответ:
The answer is letter D. 0./75 mol
Explanation:
Explanation: It's a 3.0 M solution so 1 litre of solution contains 3 moles of NaOH. 250 ml of solution therefore contains 0.25 x 3 = 0.75 moles of NaOH.
Ответ:
It is just a wonderful question. lol I am happy that you found your answer though.