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ratelena [41]
3 years ago
8

Question 3

Chemistry
1 answer:
Anni [7]3 years ago
5 0

Answer:

True

Explanation:

Sometimes you will need to convert from grams to moles, or moles to grams

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mojhsa [17]
brainly.com/question/1470976 Hope this helps!
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3 years ago
When do electrons release photons​
Inessa05 [86]

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Later when they are older

Explanation:

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3 0
2 years ago
Which of the following chemical formulas show three molecules of a compound that has one
mr_godi [17]

The chemical formula : 3HgBr₂(Mercury(II) bromide)

<h3>Further explanation</h3>

Given

The chemical formulas of Mercury and Bromine

Required

The appropriate chemical formula

Solution

A molecular formula is a formula that shows the number of atomic elements that make up a compound.  

The number of molecules is determined by the coefficient in front of the compound

the number of atoms is determined by the subscript after the atom and the coefficient

Three molecules⇒ coefficient = 3

one atom of Mercury ⇒Hg

two atoms of Bromine ⇒ Br₂

The chemical formula : 3HgBr₂

6 0
2 years ago
What is the [H+] of a solution with a pH of 3? Use a scientific calculator.
Mariulka [41]

Answer:

1 x 10⁻³.

Explanation:

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log[H⁺] = -3.

∴ [H⁺] = 1 x 10⁻³.

3 0
3 years ago
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