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adoni [48]
3 years ago
11

How can I identify a salt compound is acidic,basic,neutral​

Chemistry
1 answer:
Luden [163]3 years ago
7 0

Salts that are from strong bases and strong acids do not hydrolyze. Salts that are from strong bases and weak acids do hydrolyze, which gives it a pH greater than 7.  Salts of weak bases and strong acids do hydrolyze, which gives it a pH less than 7.

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Heelp
Alchen [17]
Balanced:
1. <span>Na2O + H2O ---> 2NaOH
2. </span><span>K2O + H2O ---> 2KOH
3. </span><span>MgO + H2O ---> Mg(OH)2
4. </span><span>CaO + H2O ---> Ca(OH)2
5. </span><span>SO2 + H2O ⇄ H2SO3
6. </span>SO3 + H2O ---> H2SO4
All except by 2 were balanced.
7 0
3 years ago
Balance the following
olga55 [171]

Answer:

Your coefficients (the numbers in front of the molecule) will be the following from left to right.

1. <u>1 - 2 - 1 - 2</u>

2. <u>2 - 1 - 2 - 2 - 1</u>

3. <u>2 - 4 - 1</u>

4. <u>2 - 4 - 3</u>

5. <u>2 - 2 - 2 - 1</u>

6. <u>1 - 1 - 1</u>

7. <u>2 - 1 - 2</u>

8. <u>3 - 1 - 2 - 3</u>

9. <u>3 - 1 - 2 - 3</u>

10. <u>2 - 1 - 1 - 1</u>

Explanation:

To balance this equations first count how many times an element is on each side and then see what needs to be changed in order to balance them.

8 0
1 year ago
A block of iridium has a length of 4.20 cm, a width of 3.80 cm and a height
frutty [35]

Answer:

d = 20.89 g/cm³

Explanation:

Given data:

Length of block = 4.20 cm

width of block = 3.80 cm

Height of block = 5.40 cm

Mass of block = 1800 g

Density of block = ?

Solution:

First of all we will calculate the volume.

V = l×w×h

V = 4.20 cm ×3.80 cm× 5.40 cm

v = 86.18 cm³

Density:

d =m/v

d =1800 g/ 86.18 cm³

d = 20.89 g/cm³

7 0
3 years ago
20 milliliters of water are poured into a graduated cylinder. A sample of metal is added. The water rises to the 32-milliliter l
Sindrei [870]

Answer:

12

Explanation:

32-20= 12

This is because when the metal is added it adds to the volume of the liquid hence to find the metal itself subtract the final volume from Intel volume

5 0
3 years ago
Read 2 more answers
Suppose that you use a pair of chopsticks and apply a force of 1 N over a distance of 0.01 m. How much work do you do? If the ou
Leto [7]

Explanation:

Work done = force * perpendicular distance

= 1 * 0.01 = 0.01 joules

7 0
2 years ago
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