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Leto [7]
3 years ago
14

STATE TRUE OR FALSE

Chemistry
1 answer:
AfilCa [17]3 years ago
6 0
<h2>Answer:</h2><h2>T.rue </h2><h2>False .</h2><h2>T.rue </h2><h2>F.alse </h2><h2>F.alse </h2><h2 />
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Which of the following solutions is a good buffer system?A solution that is 0.10 M HCN and 0.10 M NaClA solution that is 0.10 M
patriot [66]

Answer:

A solution that is 0.10 M HCN and 0.10 M LiCN

Explanation:

  • A good buffer system contains a weak acid and its salt or a weak base and its salt.
  • In this case; A solution that is 0.10 M HCN and 0.10 M LiCN, would make a good buffer system.
  • HCN is a weak acid, while LiCN is a salt of the weak acid, that is, CN- conjugate of the acid.
8 0
3 years ago
The film used to take pictures is coated with?
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3 years ago
People ask me if you could pick any song that described you from a boys POV what would it be??? i always say "she's country by j
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7 0
3 years ago
How many molecules are in a mole of H2O
belka [17]
1023 molecules or atoms depending on substance
7 0
2 years ago
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Calculate the mass of each element in the
Lelechka [254]

Answer:

For Mass N, Mass H, and Mass O, the mass is 28.0 g N, 4.0 g H, and 48.0 g respectively

Explanation:

The computation of the mass of each element is given below:

As we know that

A1 mole of ammonium nitrate i.e. 2 mol N, 4 mol H, 3 mol

Now we multiply each of above  by the molar masses

For N

= 14.0 g/mol × 2

= 28.0 gN

For H

= 1.0 g/mol × 4

= 4.0 gN

ANd, for O

= 16.0 g/mol × 3

= 48.0 gN

Hence, For Mass N, Mass H, and Mass O, the mass is 28.0 g N, 4.0 g H, and 48.0 g respectively

7 0
2 years ago
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