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sineoko [7]
3 years ago
5

How many grams are there in 2.75E23 molecules of C2H6 (MM = 30 grams)?

Chemistry
1 answer:
skelet666 [1.2K]3 years ago
3 0

Answer:13.70 i think

Explanation:

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Perform the following calculations to the correct number of significant figures.
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Sulfur and magnesium both have two valence electrons.<br> a. True<br> b. False
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You are asked to weigh approximately 0. 4g of acetylsalicylic acid to the nearest mg. When you enter the data in grams in your l
Natali5045456 [20]

The significant figures will be 1.

As, weight of acetylsalicylic acid = 0. 4 g

We obtain 400 mg when we convert 0.4g of acetylsalicylic acid to mg.

So, 400 milligrams are worth 0.4 grams when converted to grams.

There is just one significant figure because 0 before a decimal is not significant i.e. 4.

<h3><u>What are significant figures?</u></h3>

The digits of a number that have relevance in relation to the measurement's resolution are known as significant figures. Additionally known as significant figures in chemistry. All experimental measurements are subject to some degree of uncertainity.

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Check more such questions based on significant figure here:

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