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Dovator [93]
4 years ago
10

Answer =

Chemistry
1 answer:
Anna [14]4 years ago
6 0

Answer:

37.83 moles

Explanation:

moles = grams / formula weight = 454 grams / 12g/mol = 37.83 moles

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A florist prepares a solution of nitrogen-phosphorus fertilizer by dissolving 5.66 g of NH₄NO₃ and 4.42 g of (NH₄)₃ PO₄ in enoug
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In finding the molarity of a solution, we use the following formula:

M=moles soluteL solution

What is Molarity?

The number of moles of the solute is calculated by dividing the mass of the solute by its molar mass.

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The molar mass of  NH4NO3 and (NH4)3PO4 are  80.043 g/mol and 149.0867 g/mol, respectively.

molesNH+4inNH4NO3=5.66 g80.043 g/mol×1molNH+41molNH4NO3=0.0707 mol

molesNH+4in(NH4)3PO4=4.42 g149.0867 g/mol×3molNH+41mol(NH4)3PO4=0.0889 mol

total molesNH+4=0.0707 mol+0.0889 mol=0.1596 mol

molesPO3−4in(NH4)3PO4=4.42 g149.0867 g/mol×1molPO3−41mol(NH4)3PO4=0.0296 mol

[NH+4]=0.1596 mol20.0 L=7.98×10−3 M NH+4

[PO3−4]=0.0296 mol20.0 L=1.48×10−3 M PO3−4

Therefore, [PO3−4]\\ has a molarity of  1.48×10−3 M PO3−

To learn more about Molarity click on the link below:

brainly.com/question/19943363

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5 0
2 years ago
A solid calcium metal reacts with molecular oxygen.<br> WORD EQUATION =<br> CHEMICAL EQUATION =
Ne4ueva [31]
Word equation - calcium + oxygen -> calcium oxide
Chemical equation - Ca + O2 -> CaO2

Hope this helps!
5 0
3 years ago
The study of Environmental Science includes which of the following?
stepan [7]

Answer:

Hi, There! the Correct Answer is below!

C.)interactions between humans and living and non-living things in the environment

Explanation:

Environmental scientists study subjects like the understanding of earth processes, evaluating alternative energy systems, pollution control and mitigation, natural resource management, and the effects of global climate change. ... Environmental scientists bring a systems approach to the analysis of environmental problems.

____________________________________________________________

Have a wonderful Day :)

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3 0
3 years ago
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Give two properties that glass and plastic sometimes share.​
dmitriy555 [2]

Answer:

Wall, cup, mug, plastic spoon

Explanation:

Because all of those are glass and it is important to us to make sure that if you are touching this brle careful

8 0
3 years ago
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What is the molarity of a solution containing 5 moles of HCl in 2.5 L of solution? Be sure to include the formula for calculatin
beks73 [17]

Answer:

\boxed{\text{2 mol/L}}

Step-by-step explanation:

c = \dfrac{ \text{moles} }{ \text{litres}}\\\\c = \dfrac{n }{V }

Data:

n = 5 mol

V = 2.5 L

Calculation:

c = \dfrac{ \text{5 mol} }{\text{2.5 L}} = \text{2 mol/L}

The molar concentration of the solution is \boxed{\textbf{2 mol/L}}.

6 0
3 years ago
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