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cluponka [151]
3 years ago
8

Calculate the MASS if the density is 2.34 g/mL and the volume is 12.50 mL.

Chemistry
1 answer:
AlexFokin [52]3 years ago
3 0

Answer:

<h2>mass = 29.25 g</h2>

Explanation:

The denisty of a substance can be found by using the formula

Density =  \frac{mass}{volume}

Making mass the subject we have

<h3>mass = Density × volume</h3>

From the question

Density = 2.34 g/mL

volume = 12.50 mL

Substitute the values into the above formula and solve for the mass

That's

mass = 2.34 × 12.50

We have the final answer as

<h3>mass = 29.25 g</h3>

Hope this helps you

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Solution A and solution B are separated by a semipermeable membrane. Solution A contains 1% glucose, solution B contains 5% gluc
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Glucose will move from the solution B to the solution A

Explanation:

Given that:

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Solution B contains 5% glucose

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Thus, solution B contains more concentration of glucose as compared to solution A. <u>By the process of diffusion, the particle moves from higher concentration to lower concentration and thus, glucose will move from solution B to solution A.</u>

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In yeast, ethanol is produced from glucose under anaerobic conditions. A cell‑free yeast extract is placed in a solution that co
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0.35 milli moles of ethanol can be theoretically be produced under these conditions.

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Moles of Pi = 0.35 milli mole

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