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Andru [333]
2 years ago
7

Calculate the mass of al2so4)3 in 250ml of solution if the concentration is .48 N​

Chemistry
1 answer:
slamgirl [31]2 years ago
5 0

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Guys help please!! any five effects of heat!!​
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{\huge {\underline {\underline {\bold {\blue{Effects \:  of \:  Heat}}}}}}

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3 0
2 years ago
W7L5 Stoichiometry Practice 2
Rzqust [24]

Answer:

.079 moles of Nirogen gas (N2)

Explanation:

You can see from the equaton that each ONE mole of N2 produces TWO moles of NH3.

 Find the number of moles of NH3 produced.

    Using Periodic Table : Mole wt of NH3 = 17 gm/mole

          2.7 gm / 17 gm/mole = .1588 moles

      One half as many moles of N2 are needed  = .079 moles

6 0
2 years ago
How many valence electrons does K+ have
Lera25 [3.4K]

Answer:

About one valence electron

Explanation:

Obviously, removing that electron gives us [Ar] (same configuration as K1+), which is a noble gas and has 8 electrons. Valence electrons are generally regarded as being 'the outermost electrons' for a given atom. Therefore, with neutral potassium, there is one valence electron

5 0
3 years ago
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The top left corner shows the atomic number which is 3.
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