3 years ago

Chemical equations must be balanced to satisfy ...?

Chemistry

2 answers:

Gelneren [198K]3 years ago

6 0

Answer:

The law of conservation of matter

Explanation:

The answer is correct because I had the same question in my studies

Can I get brainliest please

murzikaleks [220]3 years ago

4 0

Answer:

the law of conservation of matter.

Explanation:

I am in chem

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A liquid that evaporates at a slow rate exhibits __________.

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Strong internolecurar forces (A) hope it helps

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3 years ago

How many atoms are there in 5.70 mol of hanfnium?

ANTONII [103]

The correct answer would be 3.49 times 10^ minus 24 molecules

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3 years ago

QUESTION 11

Iteru [2.4K]

I actually don’t know but good question

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3 years ago

Suppose you need to prepare 141.9 mL of a 0.223 M aqueous solution of NaCl. What mass of NaCl do you need to use to make the sol

Afina-wow [57]

Answer:

1.811 g

Explanation:

The computation of the mass need to use to make the solution is shown below:

We know that molarity is

$Molarity = \frac{Number\ of\ moles}{Volume\ in\ L}$

So,

$Number\ of\ moles = Molarity\ \times Volume\ in\ L$

$= 0.223\times 0.141$

= 0.031 moles

Now

$Mass = moles \times Molecualr\ weight$

where,

The Molecular weight of NaCl is 58.44 g/mole

And, the moles are 0.031 moles

So, the mass of NaCL is

$= 0.031 \times 58.44$

= 1.811 g

We simply applied the above formulas

3 0

3 years ago

Convert 55.0 miles per hour to feet per second

labwork [276]

Answer:

80.667

Explanation:

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2 years ago