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Blababa [14]
2 years ago
11

How to calculate from moles to grams? 4.0 moles of Cu(CN)2

Chemistry
1 answer:
andreyandreev [35.5K]2 years ago
3 0

Answer: The mass of given amount of copper (II) cyanide is 462.4 g

Explanation:

To calculate the number of moles, we use the equation:

We are given:

Moles of copper (II) cyanide = 4 moles

Molar mass of copper (II) cyanide = 115.6 g/mol

Putting values in above equation, we get:

Hence, the mass of given amount of copper (II) cyanide is 462.4 g

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3 years ago
a culinary student fills a 40ml container with 37.2 grams of vegetable oil.What is the density of the oil
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<h2>0.93 g/mL</h2>

Explanation:

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

density =  \frac{mass}{volume} \\

From the question

mass = 37.2 g

volume = 40 mL

We have

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We have the final answer as

<h3>0.93 g/mL</h3>

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