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Ulleksa [173]
3 years ago
14

Assuming that 1.0g of aspirin dissolves in 450 mL of water at 10o C, how much aspirin would be lost in the 1.4 mL of water added

to the reaction mixture if the mixture were at 10o C during the filtration? Would this significantly affect the percent yield above?
Physics
1 answer:
ipn [44]3 years ago
7 0

Answer:

amount of aspirin dissolved = 0.0031 g

so we can say that this is not affect % yield as amount of aspirin lost is very less

Explanation:

given data

mass of aspirin = 1 g

volume of water = 450 mL

solubility of aspirin temperature = 10° C

volume of water added = 1.4 mL

to find out

how much amount aspirin would be lost

solution

we know the solubility of aspirin is

solubility of aspirin = \frac{mass\ of\ aspirin}{volume\ of\ water}

solubility of aspirin =  \frac{1\ g}{450\ mL}  

solubility of aspirin = 2.2 × 10^{-3} g/mL

so

we can say

amount of aspirin dissolved =  solubility of aspirin × volume of water added

put here value

amount of aspirin dissolved = 2.2 × 10^{-3}  × 1.4

amount of aspirin dissolved =  3.1 × 10^{-3} g

amount of aspirin dissolved = 0.0031 g

so we can say that this is not affect % yield as amount of aspirin lost is very less

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Which jovian planet should have the most extreme seasonal changes? a. Saturn b. Neptune c. Jupiter d. Uranus
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D). Uranus.

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3 years ago
A. What is the equation describing the motion of a mass on the end of a spring which is stretched 8.8cm from equilibrium and the
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Answer:

a) x = 8.8 cm * cos (9.52 rad/s * t)

b) x = 8.45 cm

Explanation:

This is a Simple Harmonic Motion, and most Simple Harmonic Motion equations start from the equilibrium point. In this question however, we are starting from the max displacement the equations, and thus, it ought to be different.

From the question, we are given that

A = 8.8 cm = 0.088 m

t = 0.66 s

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Thus, the equation is

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5 0
3 years ago
Read 2 more answers
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