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Andru [333]
3 years ago
10

What is the gram formula mass of Fe(NO3)3

Chemistry
1 answer:
olga55 [171]3 years ago
6 0
242 g/mol...... hope it helps :)
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a block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. it has a mass of 213 g. what is its density? a. 638 g/cm3 b.
Juliette [100K]
Volume = 3 cm × 3cm × 3cm
             =  27 cm ³

Mass  =  213 g

Density  =  \frac{MASS}{VOLUME}
 
              = <span>\frac{213 g}{27 cm ^{3} }
</span> 
<span>              =  7.89 g / cm³

Thus answer is D.</span>
8 0
3 years ago
Read 2 more answers
What is needed for our cells to get energy from our food?
denis-greek [22]

Answer:

cellular respiration is needed for our cells to get energy from our food.

Explanation:

Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.

5 0
3 years ago
Which equation expresses the solubility product of Zn3(PO4)2?
Irina18 [472]
<h3><u>AnSweR</u> : - </h3>

⇒b. Ksp = [Zn2+]3 [PO43]2

Hope It Helps You ✌️

3 0
3 years ago
1
natka813 [3]

Answer:

A. any change that results in the formation of new chemical substances.

6 0
3 years ago
4. A handful of sand has a mass of 208 g and displaces a volume of 80.0 mL. Calculate its
DerKrebs [107]

Answer:

<h2>2.6 g/mL</h2>

Explanation:

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

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

From the question we have

density =  \frac{208}{80}  = 2.6 \\

We have the final answer as

<h3>2.6 g/mL</h3>

Hope this helps you

7 0
3 years ago
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