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sergiy2304 [10]
3 years ago
10

Which one of the following substances is a solution?

Chemistry
2 answers:
Nostrana [21]3 years ago
7 0
Hdhdhdjdndjsjshshshhd
Sphinxa [80]3 years ago
4 0
A . Clay this solution is used in old buildings


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If the number is not a proper coefficient, how would you make it one?
noname [10]
I’m pretty sure you add, multiply, subtract, & divide
3 0
1 year ago
2Na3N3 -&gt; 2Na + 3N2<br><br> if 0.58 mol if NaN3 reacts, what mass of nitrogen would result
Ronch [10]

Answer:

                      Mass = 24.36 g of N₂

Explanation:

                   The balance chemical equation for the decomposition of NaNO₃ is as follow;

                                           2 NaN₃ → 2 Na + 3 N₂

Step 1: Find moles of N₂ as;

According to equation,

                 2 moles of NaNO₃ produces  =  3 moles of N₂

So,

              0.58 moles of NaNO₃ will produce  =  X moles of N₂

Solving for X,

                      X = 3 mol × 0.58 mol / 2 mol

                      X = 0.87 mol of N₂

Step 2: Calculate mass of N₂ as,

Mass = Moles × M.Mass

Mass = 0.87 mol × 28.01 g/mol

Mass = 24.36 g of N₂

8 0
3 years ago
When dissolved in water, which of the following would conduct electricity the best?
Nitella [24]
Charged particles or ionic particles?
6 0
3 years ago
Como se representan los elementos en la tabla¿?
Shalnov [3]

Answer:

Na sodiops los elementos químicos se representan como el átomo, el núcleo, donde se necuentran los protones y neutrones van dentro, los electrones afuera, girando de forma elíptica alrededor del núcleo. ... por ejemplo el oxígeno numero atómico 8, tiene 8 protones y 8 electrones. el número de neutrones es diferente.

Explanation:

4 0
2 years ago
The number 40 in the name calcium-40 represents
strojnjashka [21]

Answer:

A. the atomic number

Explanation:

It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth.

7 0
3 years ago
Read 2 more answers
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