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kompoz [17]
3 years ago
15

A) do you need a soluble salt from an acid in titration

Chemistry
1 answer:
Marina CMI [18]3 years ago
6 0

Titration must be used to obtain a solution of a salt and water only, when using an acid and an alkali. This is because there is no insoluble excess reactant that could be removed by filtration .

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The moon is 250,000 miles away. How many inches is it from earth?
Lapatulllka [165]

Answer:

1.584e10 = 15,840,000,000,000

Explanation:

250,000 miles

multiply the length value by 63360

25e4 x 63360

= 1.584e10

3 0
3 years ago
Read 2 more answers
Some oxides are given below. (i)Na2O (ii)NO2 (iii) CO2 (iv) MgO a) Which are the basic oxides among these? b) What is the name o
umka2103 [35]
<h3>Further explanation</h3>

Basic oxides ⇒ metal(usually alkali/alkaline earth) +O₂

L + O₂ ⇒ L₂O

L + O₂ ⇒ LO

Dissolve in water becomes = basic solution

L₂O+H₂O⇒ 2LOH

LO + H₂O⇒ L(OH)₂

So the basic oxides : Na₂O and MgO

Na₂O + H₂O⇒NaOH

MgO +H₂O⇒Mg(OH)₂

The aqueous solution of CO₂(dissolve in water)

CO₂ + +H₂O⇒ H₂CO₃(carbonic acid)

5 0
3 years ago
The total number of sodium atoms in 46.0 grams of solution is?
USPshnik [31]
Molar mass Na = 23g/mol
46g = 456/2 = 2mol
1mol = 6.022*10^23 atoms
2mol = 2*6.022*10623
= 1.204*10^24 atoms
7 0
3 years ago
Read 2 more answers
A watershed is the land that water flows across or through on its way to a stream, lake, wetland, or other body of water. What i
horsena [70]
D. level of the water table

hope its helps

<span>"too much water can cause raging floods and flush pollutants and soil into rivers and streams"
</span>the statement i got the answer from
7 0
3 years ago
Acid rain water breaks down Rocks by_____ weathering​
Paraphin [41]

。☆✼★ ━━━━━━━━━━━━━━  ☾  

This would be 'chemical' weathering.

Acid rain would react with the minerals in the rocks, causing them to break down.

Have A Nice Day ❤    

Stay Brainly! ヅ    

- Ally ✧    

。☆✼★ ━━━━━━━━━━━━━━  ☾

5 0
4 years ago
Read 2 more answers
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