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telo118 [61]
2 years ago
13

I need help with this for an assignment

Chemistry
1 answer:
arsen [322]2 years ago
4 0
Answer:
hydrochloric acid reacts with sodium hydroxide to form sodium chloride (the salt) and water.

Explanation:
Sodium chloride is made up of Na+ cations from the base (NaOH) and CI-anions from the acid (HCI).

Hope this helped!
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A 0.73 m solution of chloroacetic acid, , has a ph of 1.50. calculate for the acid.
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What is the number of moles in 15.0 g AsH3?
pentagon [3]

We are given with the mass of Arsine (AsH_{3}

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there is a relation between moles, mass and molar mass of any compound which is

moles=\frac{mass}{molarmass}

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7 0
3 years ago
The smallest unit of a compound is called a ___________.
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3 years ago
In a percentage composition investigation a compound was decomposed into its elements: 20.0 g of calcium, 6.0 g of carbon, and 2
inysia [295]

The percentage composition of this compound : 40%Ca, 12%C and 48%O

<h3>Further explanation</h3>

Given

20.0 g of calcium,

6.0 g of carbon,

and 24.0 g of oxygen.

Required

The percentage composition

Solution

Total mass of compound :

=mass calcium + mass carbon + mass oxygen

=20 g + 6 g + 24 g

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Percentage composition :

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  • C-carbon

\tt \dfrac{6}{50}\times 100\%=12\%

  • O-oxygen

\tt \dfrac{24}{50}\times 100\%=48\%

3 0
2 years ago
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