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miss Akunina [59]
3 years ago
12

HALLP ME STUCKKKKK

Chemistry
2 answers:
likoan [24]3 years ago
7 0

Answer:

The average height of the sunflower sprouts at the end of week 3 is  12.0

cm.

The average height of the birch sprouts at the end of week 3 is  7.2

cm.

Explanation:

they showed it on edgu

astra-53 [7]3 years ago
4 0

Answer: Sunflower height-12.0 centimeters

Birch Plant-7.2 centimeters

Explanation:

Its how much they grew.

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Basic Stoichiometry
MrMuchimi

Answer:

1. 23.3 g

2. 82 g

3. 0.402 mol

4. 0.506 mol

Explanation:

We can convert moles (n) to mass (m) using the following expressions that include the molar mass (M).

n = m/M

m = n × M

1. The molar mass of NH₄Cl is 53.49 g/mol.

m = 0.436 mol × 53.49 g/mol = 23.3 g

2. The molar mass of Ca(NO₃)₂ is 164.09 g/mol.

m = 0.50 mol × 164.09 g/mol = 82 g

3. The molar mass of NaCl is 58.44 g/mol.

n = 23.5 g/(58.44 g/mol) = 0.402 mol

4. The molar mass of KMnO₄ is 158.03 g/mol.

n = 79.9 g/(158.03 g/mol) = 0.506 mol

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What characteristics do all plants have
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7 0
3 years ago
Can you tell me the answer​
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Explanation:

8 0
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How does electron sharing occur in forming covalent bonds?
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