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kvasek [131]
3 years ago
7

How many grams are in 7 moles of water H2O molecules

Chemistry
1 answer:
fgiga [73]3 years ago
6 0

Answer:

7 moles of water (H20) molecules is 126.10696 grams.

Explanation:

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How many moles are equal to 2.188E+23 atoms of iron?
rusak2 [61]
<span>2.188*10^23 atoms of iron
6.022*10^23 atoms/mole
(2.188*10^23 atoms of iron)/(6.022*10^23 atoms/mol)~.3633 moles of iron

Hope this helps!</span>
7 0
3 years ago
In which phase of a substance do its particles have the greatest average kinetic energy?
ycow [4]

Answer:

Gas

Explanation:

Molecules in the solid phase have the least amount of energy, while gas particles have the greatest amount of energy. The temperature of a substance is a measure of the average kinetic energy of the particles.

BRAINLIEST :)()()(

6 0
3 years ago
Atoms of the element beryllium would most likely behave similar to the way _______ behaves.
jasenka [17]
I would say a. lithium but i am not sure.
7 0
3 years ago
To what category do carnivores, herbivores, and omnivores belong? O A. producer O B. consumer O C. decomposer O D. composer​
nata0808 [166]

Answer:

B for sure

Explanation:

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8 0
2 years ago
Calculate the molarity of a solution made by adding 35.0 mL of concentrated perchloric acid (70.5 % by mass, density 1.67 g/mL)
Nata [24]
Molarity is equal to the number of moles of solute per liter solution.

number of moles solute: (molar mass of perchloric acid is 100.45 g/mol)
35.0 mL * (<span>1.67 g/mL) *0.705 * (mol/100.45 g) = 0.41 moles
liter solution = 2000 ml * (1 L/1000 ml) = 2 L

molarity is equal to 0.41 moles/ 2 L  =0.205 M</span>
5 0
3 years ago
Read 2 more answers
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