Answer to Question #267758 in General Chemistry for Tristan

General Chemistry

Question #267758

How many mL of HNO3 concentrate are needed to prepare 250 ML of solution 4%

Expert's answer

Proportion:

100 ml - 4 ml

250 ml – x

"x = \\frac{250 \\times 4}{100} = 10 \\;ml"

Answer: 10 ml

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