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प्रश्न
How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0M HNO3? The concentrated acid is 70% HNO3:
पर्याय
90.0 g conc. HNO3
70.0 g conc. HNO3
54.0 g conc. HNO3
45.0 g conc. HNO3
MCQ
उत्तर
45.0 g conc. HNO3
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