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alina1380 [7]
3 years ago
14

Learning strand5content standardlearning competencies​

Chemistry
2 answers:
ludmilkaskok [199]3 years ago
7 0
What he said I’m sorry
Digiron [165]3 years ago
6 0

Answer:

These competencies include the cognitive skills of critical thinking, problem-solving, knowledge application, and creativity; the interpersonal skills of communication and collaboration, leadership, and global and cross-cultural awareness; and intrapersonal skills like self-direction, motivation, and learning how to ...08‏/08‏/2015

Explanation:

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What is the solubility of barium chromate in parts per million?
*parts per million = Grams of Solute/grams of solution X 10^6 (which is ppm)
2.787 x 10^-3g/L x 1L/1000g x 10^6 = 0.02779, or 2.78 x 10^-2ppm

Answer in parts per million to three significant figures =2.78ppm

this is correct for the pearson mastering chemistry question
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3 years ago
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Explanation:

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Na and Cl are chemical symbol
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Answer:

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8 0
3 years ago
3. Calculate the volume, in mL, of 100.0 g of alcohol, if the density is 0.79 g/mL.
Naya [18.7K]

Answer:

The answer is

<h2>126.58 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

<h3>volume =  \frac{mass}{density}</h3>

From the question

mass of alcohol = 100 g

density = 0.79 g/mL

The volume is

volume =  \frac{100}{0.79}  \\  = 126.58227848...

We have the final answer as

<h3>126.58 mL</h3>

Hope this helps you

4 0
4 years ago
Why do some compound have 1 hydrogen, some have 2 hydrogens, and some have 3 hydrogens?
Mademuasel [1]
Because the amount of hydrogens all depends on the valence electrons
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4 years ago
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