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Sladkaya [172]
3 years ago
14

What does the oxidation state of kr indicate

Chemistry
1 answer:
const2013 [10]3 years ago
8 0
Kr look on periodic table it's krypton elements
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Temperature zone occurs between tropical and polar zones
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Yes, that's correct. It's the tepid latitude.
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Given 0.02 of KF, how many liters of solution are needed to make a 7.2 solution?
Dmitry_Shevchenko [17]

Answer:

1/360

Explanation:

let x = liters

molarity=moles of solute/liters of solution, 7.2=0.02/x or 7.2=(1/50)(1/x), 7.2(50)=(1/x), 360(x)=1, x=1/360

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Which of the following is true of mixtures?
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A. a mixture is a combination of two or more substances in which each substance retains its own properties.

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What is the density of a 32g toy car that<br> has a volume of 8cm3?<br> A. 256alcm3<br> An3
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8 0
3 years ago
How many moles of hydrochloric acid are required to produce .40 moles of hydrogen gas?
mash [69]

Answer:

0.80 Moles of Hydrochloric Acid would be required to produce 0.40 Moles of hydrogen gas due to the equation ratios

Explanation:

How many moles of hydrochloric acid are required to produce .40 moles of hydrogen gas?

Hydrochloric acid = HCl

Hydrogen gas = H2

H = 1+

Cl = 1-

HCL = H2 + Cl2

2HCl = H2 + Cl2

2:1:1

0.80 = 0.40 + 0.40

4 0
3 years ago
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