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denis-greek [22]
3 years ago
14

A solution containing aluminium ions reacts with a solution containing hydroxide ions to form a

Chemistry
2 answers:
Aleonysh [2.5K]3 years ago
5 0
The answer is D, white precipitate.
Xelga [282]3 years ago
3 0

Answer:

D

Explanation:

the answer is d white precipitate

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An atom X has 2 electrons in its outer orbit. What will it do to form a stable ion?
matrenka [14]

Answer:

In a neutral molecule, the sum of the bonding valance electrons must be equal. So the products of the negative element and its charges and the positive element and its charge must be equal.

Explanation:

C1×N1 = C2×N2

If we have a 3 valance electrons , the 'A' charge will be either +3 or -5 for a full octet and valance electron in 'B' atoms will mostly result in acquisition of additional electrons (2) for an octet and relative charge of -2.

Balancing the two,

3 × A = -2 × B

To be equal, A = 2 and B = 3

Therefore, A²B³

6 0
2 years ago
1. Long strands of DNA that contain lots of genes
sergeinik [125]

Answer: chromosome

Explanation: :)

4 0
3 years ago
Read 2 more answers
Silver nitrate solution reacts with calcium chloride solution according to the equation: 2 AgNO3 + CaCl2 → Ca(NO3)2 + 2 AgCl All
HACTEHA [7]

Answer:

14.33 g

Explanation:

Solve this problem based on the stoichiometry of the reaction.

To do that we need the molecular weight of the masses involved and then calculate the number of moles, find the limiting reagent and  finally calculate the mass of AgCl.

                      2 AgNO₃   + CaCl₂    ⇒   Ca(NO₃)₂   + 2 AgCl

mass, g                  6.97        6.39                                     ?

MW ,g/mol         169.87      110.98                                  143.32

mol =m/MW           0.10         0.06                                    0.10

From the table above AgNO₃ is the limiting reagent and we will produce 0.10 mol AgCl which is a mass :

0.10 mol x 143.32 g/mol = 14.33 g

5 0
3 years ago
Help asap <br><br> i have to get a good grade on this
baherus [9]
I think The answer is 34.5l
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3 years ago
A scientist uses an accelerator and high energy electrons to study the particles inside the protons of a helium atom. What parti
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<span>B. the He nucleus C.the He electrons D.the He quarks</span>
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3 years ago
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