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3 years ago

Does sodium have a positive or negative charge after ionization?

1 answer:

3 0

After ionization, sodium gains a net positive charge cuz sodium loses its 1 valence electron to gain the nearest stable octet which is neon{Ne}. Hope it helps

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Which of the following values best classifies a bond between 2 atoms as being ionic?

Art [367]

<span>A compound which is called ionic compound dissociates into ions when in aqueous solution. These ions move freely in the solution and can allow the flow of electricity into the solution. These ions contains a certain charge or what is called the oxidation number.</span>

7 0

3 years ago

Read 2 more answers

PLS HELP I WILL REWARD MOST BRAINLIEST

kvv77 [185]

Answer:

Actual yield = 138.94 g

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

2Na + Cl₂ —> 2NaCl

Next, we shall determine the mass of Na that reacted and the mass of NaCl produced from the balanced equation. This can be obtained as follow:

Molar mass of Na = 23 g/mol

Mass of Na from the balanced equation = 2 × 23 = 46 g

Molar mass of NaCl = 23 + 35.5

= 58.5 g/mol

Mass of NaCl from the balanced equation = 2 × 58.5 = 117 g

SUMMARY:

From the balanced equation above,

46 gof Na reacted to produce 117 g of NaCl.

Next, we shall determine the theoretical yield NaCl. This can be obtained as follow:

From the balanced equation above,

46 gof Na reacted to produce 117 g of NaCl.

Therefore, 57.50 g of Na will react to produce = (57.50 × 117)/46 = 146.25 g of NaCl.

Thus, the theoretical yield of NaCl is 146.25 g

Finally, we shall determine the actual yield of NaCl. This can be obtained as follow:

Percentage yield = 95%

Theoretical yield = 146.25 g

Actual yield =?

Percentage yield = Actual yield / Theoretical yield × 100

95% = Actual yield / 146.25

Cross multiply

Actual yield = 95% × 146.25

Actual yield = 95/100 × 146.25

Actual yield = 0.95 × 146.25

Actual yield = 138.94 g

4 0

3 years ago

Is water a element or compond <br> and is it a homogeneous or heterogeneous

crimeas [40]

Answer:

Water is a compound. It contains more than one element

water is homogeneous

8 0

3 years ago

Read 2 more answers

The density of water at 400C is 0.992 g/mL What is the volume of 27.0 g of water at this temperature?

pantera1 [17]

Answer:

Volume of water at this temperature is 27.2 mL

Explanation:

We know that $density=\frac{mass}{volume}$

Here density of water is 0.992 g/mL

Here mass of water is 27.0 g

So $volume=\frac{mass}{density}$

= $\frac{27.0g}{0.992g/mL}$

= 27.2 mL

7 0

4 years ago

PLEASE, PLEASE HELP ME!!!

Luba_88 [7]

Answer:

Matter cannot be created or destroyed.

Explanation:

According to law of conservation of matter, Matter can neither be created nor destroyed. It just gets converted into other forms.

So, It's important to equalize the no. of moles on either side of the chemical reaction.

$\rule[225]{225}{2}$

Hope this helped!

<h3>~AnonymousHelper1807</h3>

6 0

3 years ago