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sergeinik [125]
3 years ago
5

Identifica los elementos y la cantidad de átomos de cada uno qué hay en la fórmula de los siguientes compuestos

Chemistry
1 answer:
Virty [35]3 years ago
6 0

Answer:.

Explanation:.

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What is the difference between evaporation and boiling
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2C4H10 + 13O2 = 8CO2 + 10H2O

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2. (0.035molC4H10)(10 mol H2O/2mol C4H10) = 0.177mol H2O

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If you could place a piece of solid silver into a container of liquid silver, would it float or sink? Explain your answer.
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3 years ago
A 46.2 mL,0.568 M calcium nitrate solution is mixed with 80.5mL of 1.396M calcium nitrate solution.Calculate tge concentration o
Ne4ueva [31]

Answer:

1.09 M

Explanation:

Let's define the equation that will be used to calculate the final concentration of the resultant calcium nitrate solution. In order to calculate it, we need to find the total number of moles of calcium nitrate and divide by the total volume of the resultant solution:

c=\frac{n}{V}

This equation firstly helps us find the number of moles of calcium nitrate. Multiplying molarity by volume will yield the moles. Adding the moles from the first component to the second component will provide us with the total number of moles of calcium nitrate:

n_{Ca(NO_3)_2}=46.2 mL\cdot0.568 M+80.5 mL\cdot1.396 M=138.62 mmol

Now, the total volume of this solution can be found by adding the volume values of each component:

V_total=46.2 mL+80.5 mL=126.7 mL

Finally, dividing the moles found by the total volume will yield the final molarity:

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