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Westkost [7]
3 years ago
10

Can someone please explain to me how to find the molar mass of hydrated sodium thiosulfate. I put the formula in above if you ne

ed it.​

Chemistry
2 answers:
MakcuM [25]3 years ago
8 0

Answer:

Is that all in the Image take a bigger pic

Explanation:

Veronika [31]3 years ago
7 0

Answer:

Name: Sodium Thiosulfate Pentahydrate.

Formula: Na2S2O3.5H2O.

Molar Mass: 248.1841.

Explanation:

Hope this helps :D

and feel free to click that thanks button

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Acetylene (C2H2), an important fuel in welding, is produced in the laboratory when calcium carbide (CaC2) reacts with water: CaC
Anastaziya [24]

Answer:

There are 1.287 grams of acetylene collected

Explanation:

Total gas pressure = 909 mmHg

Vapor pressure of water = 20.7 mmHg

Pressure of acetylene = 909 mmHg - 20.7 mmHg = 888.3 mmHg

1mmHg = 1 torr

22 ° C + 273.15 = 295.15 Kelvin

Ideal gas law ⇒ pV = nRT

⇒ with p = pressure of the gas in atm

⇒ with V = volume of the gas in L

⇒ with n = amount of substance of gas ( in moles)

⇒ with R = gas constant, equal to the product of the Boltzmann constant and the Avogadro constant (62.36 L * Torr *K^−1 *mol^−1)

⇒ with T = absolute temperature of the gas (in Kelvin)

888.3 torr * 1.024 L = n * 62.36 L * Torr *K^−1 *mol^−1 * 295.15 K

n = 0.04942 moles of C2H2

Mass of C2H2 = 0.04942 moles x 26.04 g/mole = 1.287 g

There are 1.287 grams of acetylene collected

6 0
2 years ago
2. As NH4OH is added to an HCl solution, the pH of the solution
chubhunter [2.5K]

Answer:

c

Explanation:

Nh4OH + HCL ---> NH4Cl + H3O

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3 years ago
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A gold ring with a mass of 16g was dropped in the snow and its temperature dropped from 35°C to 0°C. How much heat was released
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Explanation:

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M=10,V=2 What is the density
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Answer:

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Explanation:

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ρ =  

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3 years ago
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