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S_A_V [24]
3 years ago
6

Assume the atomic mass of element x is 22.99 amu. A 22.42 g sample of x combines with 34.56 g of another element y to form a com

pound xy. Calculate the atomic mass of y
Chemistry
2 answers:
zavuch27 [327]3 years ago
6 0
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ahrayia [7]3 years ago
3 0

Answer:

The atomic mass of y is 35.44 g/mol

Explanation:

Step 1: Data given

The atomic mass of element x is 22.99 amu

A 22.42 g sample of x combines with 34.56 g of another element y to form a compound xy

Step 2: The equation X + Y → XY

Step 3: Calculate moles X

Moles X = mass / atomic mass

Moles X = 22.42 grams / 22.99 amu

Moles X = 0.9752 moles

Step 4: Calculate atomic mass Y

MMy = 34.56 grams / 0.9752 moles

MMY = 35.44 g/mol

The atomic mass of y is 35.44 g/mol

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How many liters of water would you need to add to 4.36 moles of NaCl to create a 9.4 M solution?
marishachu [46]

Answer:

0.464 L

Explanation:

Molarity (M) = number moles (n) ÷ volume (V)

According to the information given in this question:

number of moles (n) = 4.36 moles

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Volume = ?

Using M = n/V

9.4 = 4.36/V

9.4V = 4.36

V = 4.36/9.4

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3 years ago
What happens to population growth in a logistic growth pattern as it reaches carrying capacity?
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3 years ago
Write this in a word and skeleton equation:
DiKsa [7]

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Write this in a word and skeleton equation:

Solid silver chloride and an aqueous solution of nitric acid are produced when a solution of silver nitrate is reacted with a solution of hydrochloric acid.

Explanation:

6 0
2 years ago
The molarity of a solution prepared by dissolving 4.11 g of NaI in enough water to prepare 312 mL of solution is
Dimas [21]

Answer:

The correct answer is 8.79 × 10⁻² M.

Explanation:

Based on the given information, the mass of NaI given is 4.11 grams. The molecular mass of NaI is 149.89 gram per mole. The moles of NaI can be determined by using the formula,

No. of moles of NaI = Weight of NaI/ Molecular mass

= 4.11 / 149.89

= 0.027420

The vol. of the solution given is 312 ml or 0.312 L

The molarity can be determined by using the formula,

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= 0.027420/0.312

= 0.0879 M or 8.79 × 10⁻² M

6 0
2 years ago
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