2 years ago

1. How many isotopes does hydrogen have?

Chemistry

2 answers:

Illusion [34]2 years ago

7 0

Answer:

Hydrogen has three isotopes.

Explanation:

I hope this helps!

natima [27]2 years ago

6 0

Answer:

There are 3 isotopes of the element hydrogen.

Explanation:

hydrogen, deuterium, and tritium.

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Consider a solution that is 0.05 M HCl. Your goal is to neutralize 1 L of this solution (i.e. bring the pH to 7). You also have

Ilia_Sergeevich [38]

Answer:

The volume of NaOH required is - 0.01 L

Explanation:

At equivalence point ,

Moles of $HCl$ = Moles of NaOH

Considering :-

$Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}$

Given that:

$Molarity_{NaOH}=5\ M$

$Volume_{NaOH}=?\ L$

$Volume_{HCl}=1\ L$

$Molarity_{HCl}=0.05\ M$

So,

$Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}$

$0.05\times 1=5\times Volume_{NaOH}$

$Volume_{NaOH}=\frac{0.05\times 1}{5}=0.01\ L$

<u>The volume of NaOH required is - 0.01 L</u>

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3 years ago

What is the diffrence between acidic and basic solutions in working with redox reactions?

Leno4ka [110]

In acidic solutions you have H+ but in basic solutions you have OH-.
You need know that for to balance the reaction.

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2 years ago

hii um i'm in middle school and i'm doing the body in science. alot of boys point at me since i am a thicker one (not fat though

miss Akunina [59]

Answer:

Just show them their place.

Explanation:

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2 years ago

Which will dissolve at the fastest rate?

Nezavi [6.7K]

I need help on this one too I think it might be (b)

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2 years ago

How is the mass of 1 mole of an element determined

Tatiana [17]

One mole (abbreviated mol) is equal to 6.022×1023 molecular entities (Avogadro's number), and each element has a different molar mass depending on the weight of 6.022×1023 of its atoms (1 mole). The molar mass of any element can be determined by finding the atomic mass of the element on the periodic table.

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2 years ago