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Why is aspirin sometimes buffered? Will give brainliest.

1 answer:

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Answer: the aspirin also contains a buffering agent—usually MgO—that regulates the acidity of the aspirin to minimize its acidic side effects.

Explanation:

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You need 4.0 ounces of a steroid ointment. if there are 16 oz in 1 lb, how many grams of ointment does the pharmacist need to pr

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The given units are the units of masses which are interconvertable.

It is given that:

$1 lb = 16 oz$

Now, converting $kg to lb$ :

Since, $1 kg = 2.20462 lb$

So, $\frac{0.0625 lb}{1 oz}\times \frac{1 kg}{2.20462 lb}$

Now converting $kg to g$ :

Since, 1 kg = 1000 g

So, $\frac{0.0625 lb}{1 oz}\times \frac{1 kg}{2.20462 lb}\times \frac{1000 g}{1 kg} = 28.349 \frac{g}{oz}$

For $4 oz$ :

$28.349\frac{g}{oz} \times 4 oz = 113.396 g$

Thus, $113.396 g$ of ointment needed to be prepared by the pharmacist.

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2 years ago

A chemistry student needs of acetone for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student dis

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Answer:

The answer is " $7.90 \ g$ ".

Explanation:

Please finds the complete question in the attached file.

$Volume = 10.0 \ mL \\\\Density =0.79 g\ cm^3$

$\text{Density}=\frac{Mass}{Volume}$

$Mass = Density \times Volume$

$=(0.790 g\ cm^3) \times 10.0 \ mL\\\\=7.90 \ g$

The mass of acetone to be weighed is $7.90 \ g$

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A substance has a high melting point and conducts electricity in the liquid phase The is substance is

posledela

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oxygen

Explanation:

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Thermal energy is transferred from?

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Answer:

chemical and electrical ( and sometimes nucelar)

Explanation:

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Why is it important for scientists to use a classification

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So they can tell what exact species it is.

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