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You wish to have at least 100 mg of ash from a cereal grain. Assuming the grain contains 3.5% ash on average, how many grams of the grain should be weighed to obtain the desired amount of ash?

Answer :

Final answer:

To obtain at least 100 mg ash from a cereal grain with 3.5% ash content, you would need to weigh approximately 2857.14 grams of the grain.

Explanation:

To calculate the grams of grain needed to obtain at least 100 mg of ash, we can use the formula:

grams of grain = (desired amount of ash in mg) / (percentage of ash)

Using the given information, we have:

grams of grain = 100 mg / 3.5% = 2857.14 mg

Therefore, you would need to weigh approximately 2857.14 grams of the grain to obtain at least 100 mg of ash.

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