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andre [41]
2 years ago
10

A single 250 gram

Chemistry
1 answer:
Gala2k [10]2 years ago
6 0

2.2 x 10^-2

0.055 / 250 = 0.00022 - This would be 2.2 x 10^-4, but the question is asking for percent, not proportion, so multiply by 100% to get the percentage.

0.00022 * 100% = 0.022% = 2.2 * 10^-2

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