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FrozenT [24]
3 years ago
15

How many trees must be harvested to treat one person

Chemistry
1 answer:
kirill115 [55]3 years ago
8 0
There are 7 trees that have to be harvested 
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Which substance in the table below will heat up the fastest? water helium diamond or glass
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Helium will heat up the fastest

Explanation:

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3 years ago
Sodium hydroxide +ammonium sulphate ==&gt;ammonia+sodium sulphate+water coefficients <br>​
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Answer:

Below

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Balanced equation: 2NaOH + (NH4)2SO4 = 2NH3 + 2H2O + Na2SO4

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2 years ago
IF your good at CHEMISTRY plls helpp!!!
gulaghasi [49]

molar concentration of Sn²⁺ ions = 0.273 M

molar concentration of Al³⁺ ions = 0.415 M

molar concentration of Cl⁻ ions = 1.692 M

Explanation:

First we calculate the number of moles of tin (II) chloride (SnCl₂) in the first solution:

number of moles = molar concentration × volume (L)

number of moles of SnCl₂ = 0.55 × 0.45 = 0.248 moles

And the number of moles of aluminum chloride (AlCl₃) in the second solution:

number of moles = molar concentration × volume (L)

number of moles of AlCl₃ = 0.7 × 0.65 = 0.455 moles

0.248 moles of SnCl₂ contains 0.248 moles of Sn²⁺ ions and 2 × 0.248 = 0.496 moles of Cl⁻ ions

0.455 moles of AlCl₃ contains 0.455 moles of Al³⁺ ions and 3 × 0.455 = 1.365 moles of Cl⁻ ions

Volume of the final solution = 450 mL + 650 mL = 1100 mL = 1.1 L

molar concentration = number of moles / volume (L)

molar concentration of Sn²⁺ ions = 0.248 / 1.1 = 0.273 M

molar concentration of Al³⁺ ions = 0.455 / 1.1 = 0.415 M

molar concentration of Cl⁻ ions = (0.496 + 1.365) / 1.1 = 1.692 M

Learn more about:

molar concentration

brainly.com/question/14198342

brainly.com/question/14106518

#learnwithBrainly

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3 years ago
Consider the tables below.
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The right answer is

Table A Organic solvent

No Perfume No Fuel No Anesthetic No Adhesive Yes

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How can you remember an individual element's ionic charge?
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write it down

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