The molar mass of iron(Fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?

Chemistry

1 answer:

AnnyKZ [126]2 years ago

7 0

Try this solution:

if 1 mole is 55.8 gr., then 2.25 moles the mass should be 55.8*2.25=125.55 gr.

Answer: 125.55 gr.

You might be interested in

Please help me!!!! Thank you so much! I’m giving away 25 points for this one! I need both the problems solved

pishuonlain [190]

23. a. Mn undergoes oxidation
b. S undergoes oxidation

24. a. Oxidizing agent - CuO
Reducing agent - H2
b. Oxidizing agent - PbO
Reducing agent - CO

7 0

3 years ago

Is pentacosane a molecular compound?

jekas [21]

Answer:

Yes

Explanation:

A molecular compound is that one which is composed of molecules formed by atoms of two or different elements. A pentacosane is an alkaline made of unbranched chain of 25 carbons atoms. It has applications in plant metabolite. The molecular formula of pentacosane is C₂₅H₅₂

7 0

3 years ago

How many moles of helium gas are contained in a 4.0 L flask at STP

Ratling [72]

First, you convert liters to moles.
Usually you have to go to grams but this is STP.

Get moles directly by dividing the 4 by STP (22.4)
$\frac{4}{22.4} =0.17857142857$
About $1.8*10^{-1}$ or 0.18 moles whichever your teacher prefers

3 0

3 years ago

¿Cuántos moles de C3H8 contienen 9.25 x 10^24 moléculas?

Igoryamba

Answer:

$\large \boxed{\text{e. 15.4 mol C$_{3}$H}_{8}}$

Explanation: $\text{Moles of propane} = 9.25 \times 10^{24}\text{ molecules} \times \dfrac{\text{1 mol }}{6.022 \times\ 10^{23} \text{molecules}} = \textbf{15.4 mol}$

5 0

3 years ago

WHAT IS NORMAL MUSCLE PH

larisa [96]

The skeletal muscle ph is typically 7.15

8 0

3 years ago