Question

part a
how many low dose 81 mg aspirin tablets can be made from 1.21 kg of aspirin?
1.5 × 10⁵ tablets
1.21 × 10³ tablets
1.5 × 10³ tablets
1.21 × 10⁴ tablets
1.5 × 10⁴ tablets
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Explanation:

Step1: Convert kg to mg

Since \(1\ \text{kg} = 10^6\ \text{mg}\), then:
\(1.21\ \text{kg} = 1.21 \times 10^6\ \text{mg}\)

Step2: Calculate total tablets

Divide total mass by mass per tablet:
\(\text{Number of tablets} = \frac{1.21 \times 10^6\ \text{mg}}{81\ \text{mg/tablet}} \approx 1.5 \times 10^4\ \text{tablets}\)

Answer:

1.5 × 10⁴ tablets