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Nata [24]
2 years ago
15

You measure an unknown substance with litmus paper and determine it to be a strong acid.

Chemistry
1 answer:
jok3333 [9.3K]2 years ago
3 0

Answer:

The answer is C.

Explanation:

because measuring the pH of a substance is a chemical property. The substance must react with the litmus paper to determine its adcidity

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The Molar mass(M.w) in g/mol of 6.3 grams of an ideal gas that placed in 5.0 L tank at ST
BigorU [14]

Answer:

28 g/mol, N2

Explanation:

Given data:

Volume of gas = 5.0 L

Mass of gas = 6.3 g

Pressure = 1 atm

Temperature = 273 K

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We will calculate the density first.

d = mass/ volume

d = 6.3 g/ 5.0 L

d = 1.26 g/L

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d = PM/RT

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M = 28 g/mol

Molar mass of N₂ is 28 g/mol thus given gas is N₂.

7 0
3 years ago
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