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Deffense [45]
3 years ago
9

HEllo i need help with reading how do i read

Chemistry
1 answer:
hram777 [196]3 years ago
5 0
Try to sound out the words ! :)
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PLEASE PLEASE HELP<br> Calculate the mass of 3.4 moles of nitric acid (HNO3)
Elza [17]
Molar mass of nitric acid (HNO3) =atomic mass of hydrogen + atomic mass of nitrogen +3x atomic mass of oxygen . The molar mass of nitric acid (HNO3) is 63.0144 gram per mole, but you have 3.4 moles. Therefore; the answer is 63.0144 g/mole x 3.4 moles = 214.24896 grams.
6 0
3 years ago
How many grams of silver are in 4.2 moles of silver?
Phantasy [73]

Answer:

Solution: Since the atomic mass of silver (Ag) is 107.87 amu, one mole of silver has a mass o f 107.87 grams. Therefore, there is one mole of Ag per 107.87 grams of Ag

Explanation:

8 0
3 years ago
Which of the following questions can be answered by science?
vladimir1956 [14]

A. Is fruit ripening dependent on the type of light the fruit is exposed to, because B, C, and D are all based on opinion and different mind sets whereas A can be found out through experimentation.

3 0
3 years ago
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What are the list of catalysts that can be used for hydrogenation of nitrobenzene???​
Alex Ar [27]

Answer:

The multiring aromatic hydrocarbons in the coal liquid were hydrogenated to give saturated molecules that contained only one aromatic ring. Of the several organic bases investigated, potassium bis(trimethylsilyl)amide was found to be the most effective catalyst.

Explanation:

5 0
3 years ago
Find the volume of 200g of benzene, if the density of benzene is 0.88 g/mL.
Lina20 [59]

Answer:

<h2>227.27 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

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

From the question we have

volume =  \frac{200}{0.88}  \\  = 227.2727...

We have the final answer as

<h3>227.27 mL</h3>

Hope this helps you

7 0
3 years ago
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