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asambeis [7]
3 years ago
7

Help ASAP I will mark brainliest for the correct answer !!!⚡️⚡️⚡️

Chemistry
1 answer:
vodka [1.7K]3 years ago
4 0

Answer:

the answer is 288.8 km/h

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How many grams of perchloric acid, HClO4, are contained in 39.1 g of 74.9 wt% aqueous perchloric acid
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We have 39.1 grams of 74.9 wt% aqueous perchloric acid solution, that is, there are 74.9 grams of perchloric acid in 100 grams of perchloric acid solution. The mass, in grams, of perchloric acid contained in 39.1 grams of perchloric acid solution is:

39.1 g Solution × (74.9 g HClO₄/100 g Solution) = 29.3 g HClO₄

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