Atomic mass Ca = 40 a.m.u

1 mole Ca ----------- 40 g
2.5 mols Ca -------- ( mass Ca )

Mass Ca = 2.5 x 40 / 1

Mass Ca = 100 / 1

= 100 g of Ca

hope this helps!

3 0

3 years ago

A root is an example of a/an- A: tissue B: cell type C:organ D:organism

konstantin123 [22]

Answer: D an organism

Explanation:

7 0

3 years ago

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What pressure will be exerted by 0.450 mol of a gas at 25°C if it is contained in a 0.650-L vessel?

iVinArrow [24]

Hey there!

The answer as well as the explanation is in the image attached. Let me know if there's anything you're unable to see.

Hope this helps!

5 0

3 years ago

What decomposers are in a estuary ?

belka [17]

They are Common Soil Bacteria Nematodes.

Hope this helps:)

7 0

4 years ago