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umka2103 [35]
2 years ago
5

5H2 :How many atoms of Hydrogen are in this formula?

Chemistry
1 answer:
iren [92.7K]2 years ago
8 0

Answer:

10

Explanation:

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What is the mass of 2.40 moles of magnesium chloride, mgcl2
LiRa [457]

Hey there!

MgCl₂

Find molar mass of magnesium chloride.

Mg: 1 x 24.305

Cl: 2 x 35.453

--------------------  

          95.211 grams

One mole of magnesium chloride has a mass of 95.211 grams.

We have 2.40 moles.

2.40 x 95.211 = 228.5

To 3 sig figs this is 229.

The mass of 2.40 moles of magnesium chloride is 229 grams.

Hope this helps!

4 0
2 years ago
Which planets mass is nearly double that of mercury?
Nana76 [90]

Answer:

earth I think like that because earth is the second planet

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AC current is produced by which of the following things?
pogonyaev

Answer:

B

Explanation:

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2 years ago
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How many orbitals are contained in the third main energy level and in the fifth energy level
antoniya [11.8K]

There are 9 orbitals in the third energy level and 25 orbitals in the fifth energy level.

I hope this helps you.

5 0
3 years ago
Determine the soil texture for the following combinations of sand, silt, and clay.
JulijaS [17]

Answer:

a. Clay

b. Sandy Loam

c. Sandy Clay

d. Loamy Sand

Explanation:

Based on the soil texture triangle, the soil texture for the following combination of sand, silt and clay are;

a. Sand 20 percent; Silt 20 percent;Clay 60 percent: ____ CLAY

b. Sand 60percent; Silt 30percent; Clay 10percent: ___ SANDY LOAM

c. Sand 50percent; Silt 10percent;Clay 40 percent: ____ SANDY CLAY

d. Sand 80 percent; Silt 15 percent; Clay 5percent:_____ LOAMY SAND

7 0
3 years ago
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