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ddd [48]
3 years ago
10

How can frogs be amongst the most diverseanimals in the world

Chemistry
2 answers:
Illusion [34]3 years ago
6 0
Because they can live on water and land
xeze [42]3 years ago
5 0
They live on water and land that is why
You might be interested in
Calculate the molarity of a solution containing 2.66 moles of KOH in 750 mL of solution?
ASHA 777 [7]
Molarity = moles of solute/volume of solution in liters.

There are 2.66 moles of KOH, the solute, and the volume of the solution is 0.750 L.

The molarity of this solution would thus be (2.66 moles KOH)/(0.750 L) = 3.55 M KOH.
6 0
3 years ago
Which factor will INCREASE the rate of solvation of a solid in a liquid?
Tanzania [10]

Answer:

the answer is D =decreasing the temperature ️️️

4 0
3 years ago
Write a sentence or mathematical expression that relates each of the
11111nata11111 [884]

Answer:

Mass to moles: mass/molar mass=mole

Moles to mass: moles x molar mass = mass

Moles to particles:1mole = 6.022x10^23 particles

Particles to moles: 1 particle =1/(6.022x10^23) mole

Explanation:

8 0
3 years ago
The atomic notation for a particular atom of boron is 11/5 B. The atomic number is while the mass number is_, while the mass num
Morgarella [4.7K]

The atomic number=5

The mass number=11

<h3>Further explanation</h3>

In the following element notation,

\tt \large {{{A} \atop {Z}} \right X}

 X = symbol of elemental atom

A = mass number

   = number of protons + number of neutrons

Z = atomic number

   = number of protons = number of electrons, on neutral elements

So for The atomic notation for a particular atom of Boron  :

₅B¹¹

Z=5=atomic number

A=11=mass number

5 0
3 years ago
2 Na + Cl2 --&gt; 2 NaCl<br> What is the mole ratio of sodium to sodium chloride?
Irina18 [472]

Answer: The mole ratio of sodium to sodium chloride 2:2.

Explanation:

As the given reaction equation is as follows.

2Na + Cl_{2} \rightarrow 2NaCl

Here, 2 moles of sodium reacts with 1 mole of Cl_{2} and leads to the formation of 2 moles of NaCl.

This means that 2 moles of sodium gives 2 moles of NaCl on reaction with chlorine.

Hence, the ratio of moles of sodium to sodium chloride is 2:2.

Thus, we can conclude that the mole ratio of sodium to sodium chloride 2:2.

6 0
3 years ago
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