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lana66690 [7]
4 years ago
14

What is the percent yield made if 3.9 grams of a substance were made experimentally while you calculated 3.6 grams of substance

using stoichiometry
Chemistry
1 answer:
Alenkasestr [34]4 years ago
5 0

Percent yield is 108.3%

<u>Explanation:</u>

Percent yield is the ratio of experimental yield and the theoretical yield multiplied by 100.The expression for the percent yield is given as,

Percent yield = $\frac{actual yield}{theoretical yield}\times100

It is given that the experimental or actual yield is 3.9 g and the theoretical yield calculated using stoichiometry is 3.6 g, then the percent yield is calculated as,

Percent yield = $\frac{3.9}{3.6}\times100 = 108.3

So the percent yield is 108.3%.

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A solid object has a mass of 1.62 lb and a volume of 190 mL.
Pachacha [2.7K]

The density of a solid object that has a mass of 1.62 lb and a volume of 190 mL is 3.87g/mL.

<h3>How to calculate density?</h3>

Density is the measure of the mass of matter contained by a unit volume. It can be calculated by dividing the mass of the substance by its volume.

According to this question, a solid object is said to have a mass of 1.62 lb and a volume of 190 mL.

1 pound = 453.592 grams

1.62 Ibs is equivalent to 734.82 grams

Density of the solid object = 734.82 grams ÷ 190 mL

Density = 3.87g/mL

Therefore, the density of a solid object that has a mass of 1.62 lb and a volume of 190 mL is 3.87g/mL.

Learn more density at: brainly.com/question/20337365

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1 year ago
Which pair of elements is MOST likely to chemically combine and form ionic bonds?
Hoochie [10]
The answer is letter c
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3 years ago
A motorcycle travels 817 meters in 19 seconds. what is its average speed?
il63 [147K]
Speed = distance/time

=> speed = 817/19 m/sec = 43 m/sec

hope it helps!
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3 years ago
Looking at the molecule images above, could the molecules of air get into the blood from the lungs? Why or why not? (Select ALL
valkas [14]

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When of alanine are dissolved in of a certain mystery liquid , the freezing point of the solution is less than the freezing poin
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Answer:

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