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Jet001 [13]
3 years ago
15

What is the importance of standardization in chemistry​

Chemistry
1 answer:
Anika [276]3 years ago
5 0

Answer:

Standardisation is used to determine the concentration of a volumetric solution in order to achieve accurate and reliable titration results

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What is the NGOs location in Nigeria​
Anon25 [30]
Old Peoples Support International
6 0
2 years ago
How many different types of elements are there in acetone C3H6O?
Ymorist [56]

Answer:

3

Explanation:

5 0
3 years ago
Read 2 more answers
A metal (M) forms an oxide with the formula MO. If the oxide contains 7.17 % O by mass, what is the identity of the metal?
Nataly_w [17]

The metal is lead, Pb.

One unit of the oxide contains one atom of O (16.00 u).

∴ Mass of oxide = 16.00 u O × (100 u MO/7.17 u O) = 223.15 u MO

Mass of M = mass of MO – mass of O = 223.15 u -16.00 u = 207.2 u

The only element with an atomic mass of 207.2 u is lead (Pb) and the formula of the oxide is PbO.

7 0
3 years ago
1) Humans have how many sets of teeth?
Verizon [17]
<span>1) Humans have how many sets of teeth?

C) 4

2) Adults have how may permanent teeth?

B) 32

3) What type of food products make teeth stronger?

Cheese and Yogurt

4) What is the visible part of the tooth?

C) crown



5) What part of the tooth is harder than bone?

D) dentin


6) What part of the tooth is soft and contains the nerves?
A) pulp


7) What refers to the alignment of the teeth?
</span><span>
Occlusion</span><span>

8) The lower teeth protect what?

D) tongue


9) Malocclusion is the least common reason for referral to orthodontists.

False



10) Usually, malocclusion is hereditary.
True


11) Which type of malocclusion is commonly referred to as an overbite?

Class Two

12) Bacteria are living organisms than cause cavities.
True




13) What is the whitish film that grows on your teeth called?

Plaque 

14) What is the best fighter of cavities?

Fluoride

Gingivitis is the inflammation of the
A) gums



16) Gingivitis is permanent.

False


17) Name 2 ways to fight gingivitis.

Proper Toothbrushing and Flossing
</span>Professional Dental Cleanings<span>

18) The cause of gum disease is

B) bacteria



19) Untreated, periodontitis will progress until your teeth loosen and fall out.
True


</span>
6 0
2 years ago
Find the number of moles of water that can be formed if you have 230 mol of hydrogen gas and 110 mol of oxygen gas
Verdich [7]

Answer:

220mol.

Explanation:

Water is H2O. Hydrogen gas is H2. Oxygen gas is O2. You have 220mol of O and 460mol of H. O is the limiting reactant. The ratio O:H2O is 1:1. 220*1=220

3 0
3 years ago
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