How much time is required for a 6.30 mg
sample of 51Cr
to decay to 0.700 mg
if it has a half-life of 27.8 days?
Express the time in days to one decimal place.

Question

How much time is required for a 6.30 mg
 sample of 51Cr
 to decay to 0.700 mg
 if it has a half-life of 27.8 days? 
Express the time in days to one decimal place.

kyle4766 · Answer

The time required is 92.7 days.

How much time is required for a 6.30 mg sample of 51Cr to decay to 0.700 mg if it has a half-life of 27.8 days? Express the time in days to one decimal place.

Answer (1)

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How much time is required for a 6.30 mg
sample of 51Cr
to decay to 0.700 mg
if it has a half-life of 27.8 days?
Express the time in days to one decimal place.

[Sagot para sa’yo] The mass of H₂O produced when 209 g of methanol (CH₃OH) are used up can be calculated using stoichiometry and the given balanced equation: 2 CH₃OH + 3 O₂ → 2 CO₂ + 4 H₂O