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olga55 [171]
3 years ago
9

What is your opinion about:

Chemistry
1 answer:
tatyana61 [14]3 years ago
4 0

Opinion : I disagree recycling can help them, but it still will not clear the environment.

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yes and no Global warming is natural it just that humans are speeding it up

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The purging of impurities from a compound by crystallization:
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Matthew added a sample of sodium chloride to water and
viktelen [127]

Answer:

11.45

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3 0
2 years ago
Calculate the pH of a solution with a [H 3 O + ]=5.6x10 -9 M.
Gre4nikov [31]

Answer:

8.3

Explanation:

pH is the measure of the H+ or H30 (they r the same thing) ions in a solution. it is equal to -log[H+]. [H+]=  Molar concentration of H+ ions.

6 0
3 years ago
Show work, thanks
GarryVolchara [31]

Answer:

Q.1

Given-

Volume of solution-1 L

Molarity of solution -6M

to find gms of AgNO3-?

Molarity = number of moles of solute/volume of solution in litre

number of moles of solute = 6×1= 6moles

one moles of AgNO3 weighs 169.87 g

so mass of 6 moles of AgNO3 = 169.87×6=1019.22

so you need 1019.22 g of AgNO3 to make 1.0 L of a 6.0 M solution

7 0
3 years ago
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