3 years ago

Pls help me. Show proof on why it’s that answer.

1 answer:

7 0

Prevent additional sources of pollution because if the water gets polluted it can not be used and/or it won’t be pure/clean anymore.

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The calculation of quantities in chemical equations are called...

Anni [7]

<span>The calculation of quantities in chemical equations are called Stoichiometry. Stoichiometry is a branch of chemistry which deals with relative quantities of reactants and products in chemical reactions. The correct answer is 'Stoichoimetry'. I hope this helps you. </span>

5 0

3 years ago

What does one mole of oxygen and one mole of carbon dioxide have in common?

arsen [322]

Answer:

Equal number of moles

Explanation:

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2 years ago

Consider an element Z that has two naturally occuring isotopes with the following percent abundances: the isotope with a mass nu

rodikova [14]

Answer:

Z=22.70

Explanation:

It is given that,

An element Z that has two naturally occurring isotopes with the following percent abundances as follows :

The isotope with a mass number 22 is 65.0% abundant; the isotope with a mass number 24 is 35.0% abundant.

The average atomic mass for element Z is given by :

$Z=\dfrac{22\times 65+24\times 35}{100}\\\\Z=22.7$

So, the average atomic mass for element Z is 22.70.

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3 years ago

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3 years ago

What is the pOH of<br> a<br> 2.6 x 10-6 M H+ solution?

scZoUnD [109]

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8.4 as 2 sig figs

8 0

3 years ago