3 years ago

What’s the effect of drinking on the digestive system?

1 answer:

3 0

Alcohol consumption can damage the digestive system and can increase the risk of alcohol-caused cancer and liver disease.

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Calculate the pH of a solution formed by dissolving 0.040 moles of solid sodium lactate, NaC3H5O3, in 50.0 mL of 1.0 M HC3H5O3.

natima [27]

The pH of the solution is 3,76

Why?

To solve this problem we have to apply the Henderson-Hasselbach equation, which is used whenever we need to calculate the pH of a solution of an acid HA (Lactic Acid) and its conjugate base A⁻ (Sodium Lactate)

We can use either moles or concentrations for this equation. In this case, we are going to use the moles, and we are going to take the pKa of lactic acid as 3,86:

$pH=pKa+log(\frac{nA^- }{nHA} )=3,86+log(\frac{(0,04moles)}{(0,05mL)*(1.0M)} )\\\\pH=3,76$

Have a nice day!

#LearnwithBrainly

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4 years ago

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ValentinkaMS [17]

It is surface runoff

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3 years ago

Use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number. (3 points)

bonufazy [111]

Answer:

Tin I thunk

Explanation:

I think

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What is the molarity of a solution with 4 moles of solute and 12 liters of solvent?

faltersainse [42]

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What is a substance which allows the red blood cells to carry oxygen and iron.

bogdanovich [222]

The answer is hemoglobin. The substance which allows the red blood cells to carry oxygen and iron is called hemoglobin. It is a protein containing iron. Its main function is to carry oxygen to all the parts of the body.

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