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elixir [45]
4 years ago
6

3.311x divided by 10^25 particles= ? moles

Chemistry
1 answer:
algol134 years ago
5 0

Answer:

5.5 moles of given substance.

Explanation:

The given problem can be solved by using the Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

1.008 g of hydrogen = 1 mole = 6.022 × 10²³ atoms of hydrogen

Solution:

3.311 ×10²⁵ / 6.022 × 10²³ = moles

5.5 moles of given substance.

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determine the maximum amount of NaN03 that was produced during the experiment. Explain how you determined the amount
Angelina_Jolie [31]

Answer:

9 moles of NaNO3 is obtained

Explanation:

The balanced chemical reaction equation for the reaction is;

Al(NO3)3 + 3NaCl-------> 3NaNO3 + AlCl3

Now, we have to determine the limiting reactant. The limiting reactant yields the least amount of NaNO3.

1 mole of Al(NO3)3 yields 3 moles of NaNO3

4 moles of Al(NO3)3 yields 4 * 3/1 = 12 moles of NaNO3

Also,

3 moles of NaCl yields 3 moles of NaNO3

9 moles of NaCl yields 9 * 3/3 = 9 moles of NaNO3

Hence, NaCl  is the limiting reactant and 9 moles of NaNO3 is obtained.

7 0
3 years ago
according to newton’s 3rd law of motion , the strength of a reaction is _____ the strength of the action force
aleksley [76]

Answer:

Equal

Explanation:

According to Newton's third law of motion, the strength of a reaction is equal and opposite to the strength of the action force.

  • Newton's third law of motion states that "action and reaction forces are equal in magnitude but opposite in direction".
  • Therefore, if an object exerts a force of magnitude KN on a body.
  • The body will in return exert the same amount of force back on the object.
  • The law gives us an idea that force is paired in their action.
3 0
3 years ago
What type of property can you observe or measure <br> without chaning the substance
galina1969 [7]
You can observe physical properties using your 5 senses
7 0
3 years ago
Read 2 more answers
49. Carry out the indicated temperature conversions.
fredd [130]

Answer:

sorry but dorks dont learn maths

Explanation:

just kidding no offense but i think umm 1st one will stay same

i searched google

4 0
4 years ago
WILL GIVE THE BRAIN THING-
Kruka [31]

Answer:

The products are Al(NO₃)₃(aq) and H₂(g).

Al(s) + 3 HNO₃(aq) ⇒ Al(NO₃)₃(aq) + 1.5 H₂(g)

Explanation:

Let's consider the reaction between aluminum and nitric acid. This is a single replacement reaction, in which Al replaces H in HNO₃ to form aluminum nitrate. The unbalanced reaction is:

Al(s) + HNO₃(aq) ⇒ Al(NO₃)₃(aq) + H₂(g)

We start balancing N atoms by multiplying HNO₃ by 3.

Al(s) + 3 HNO₃(aq) ⇒ Al(NO₃)₃(aq) + H₂(g)

Finally, we get the balanced equation multiplying H₂ by 1.5.

Al(s) + 3 HNO₃(aq) ⇒ Al(NO₃)₃(aq) + 1.5 H₂(g)

5 0
3 years ago
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