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3 years ago

15 g de nitrato de amonio, NH4NO3 se disuelven en 135 g de agua. La densidad de la

Chemistry

1 answer:

MrRa [10]3 years ago

7 0

Answer:

δ sln = 0.111 g/mL

Explanation:

density (δ): mass/volume

⇒ δ ≡ g solute/mL H2O

∴ m NH4NO3 = 15g

∴ δH2O ≅ 1 g/mL

∴ V H2O = (135g H2O).( mL/1gH2O) = 135 mL H2O

⇒ δ sln = 15 g NH4NO3 / 135 mL H2O = 0.111 g/mL

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Suppose that 0.250 mol of methane, CH4(g), is reacted with 0.400 mol of fluorine, F2(g), forming CF4(g) and HF(g) as sole produc

shtirl [24]

300 gallons

Explanation:

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2 years ago

How many moles of O₂ are needed to react completely with 35.0 mol of FeCl₃? *

densk [106]

Answer:

26.3 moles of O₂ are needed to react completely with 35.0 mol of FeCl₃

Explanation:

To determine the number of moles of O₂ that are needed to react completely with 35.0 mol of FeCl₃, it is possible to use the reaction stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction), and rule of three as follows: if 4 moles of FeCl₃ react with 3 moles of O₂, 35 moles of FeCl₃ with how many moles of O₂ will it react?

$molesofO_{2} =\frac{35 moles of FeCl_{3}*3 moles of O_{2} }{4 moles of FeCl_{3}}$

moles of O₂= 26.25 ≅ 26.3

<u><em>26.3 moles of O₂ are needed to react completely with 35.0 mol of FeCl₃</em></u>

7 0

3 years ago

What is the amount in grams of EDTA needed to make 315.1 mL of a 0.05 M EDTA solution. The molar mass of EDTA is 374 g/mol

statuscvo [17]

Answer:

58.92 g EDTA

Explanation:

315.1 mL = .3151 L

M = Moles / Liter

.3151 L x <u>0.5 mol EDTA</u> x <u>374 g EDTA</u> = 58.92 g EDTA

1 L EDTA 1 mol EDTA

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1 year ago

What is it called when a substance changes from a vapor to a liquid

skad [1K]

The answer is CONDENSATION.

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3 years ago

Gizmo Warm-up

Mariana [72]

Sodium hydroxide solution and hydrogen gas are produced from the reaction of water and sodium.

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We observe bubbles coming out of the water when the sodium reacts with the water because of the formation of hydrogen gas which is insoluble in water so it moves into the atmosphere.

<h3>Products of the reaction</h3>

Sodium metal reacts rapidly with water to form sodium hydroxide (NaOH) solution and hydrogen gas (H2). This chemical reaction is exothermic because huge amount of heat is release from the solution so we can conclude that sodium hydroxide solution and hydrogen gas are produced from the reaction of water and sodium.

Learn more about chemical reaction here: brainly.com/question/26018275

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2 years ago