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True [87]
3 years ago
14

The formula of strontium

Chemistry
1 answer:
mrs_skeptik [129]3 years ago
6 0
Sr, because they are just basically asking for it so it is just Sr
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Li + HNO3 > LiNO3 + H2 how do I balance it? Show work pls
azamat

Answer: The balanced equation is 2Li + 2HNO_{3} \rightarrow 2LiNO_{3} + H_{2}.

Explanation:

The given reaction equation is as follows.

Li + HNO_{3} \rightarrow LiNO_{3} + H_{2}

Number of atoms present on reactant side are as follows.

  • Li = 1
  • H = 1
  • NO_{3} = 1

Number of atoms present on product side are as follows.

  • Li = 1
  • H = 2
  • NO_{3} = 1

To balance this equation, multiply Li by 2 and HNO_{3} by 2 on reactant side. Also, multiply LiNO_{3} by 2 on product side.

Hence, the equation can be rewritten as follows.

2Li + 2HNO_{3} \rightarrow 2LiNO_{3} + H_{2}

Now, number of atoms present on reactant side are as follows.

  • Li = 2
  • H = 2
  • NO_{3} = 2

Number of atoms present on product side are as follows.

  • Li = 2
  • H = 2
  • NO_{3} = 2

As there are same number of atoms on both reactant and product side. Hence, the equation is now balanced.

Thus, we can conclude that the balanced equation is 2Li + 2HNO_{3} \rightarrow 2LiNO_{3} + H_{2}.

3 0
3 years ago
Which statement is the best description of a chemical bond?
Margarita [4]

The answer Is B;A chemical bond holds atoms together.

5 0
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Name one homogenous mixture from salt, sand and iron
Bezzdna [24]

Answer:

heterogeneous mixture or a chemical mixture

4 0
3 years ago
What is the mass percent when 96 grams of NaCl is dissolved in 255 grams of water
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This would mean the masses of Na and Cl are 22.99g and 35.45g respectively. Therefore, the percent composition of NaCl is 39.3% sodium and 60.7% chloride.
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2 years ago
Plz help me i swear will mark you brainiest
Korvikt [17]

Answer:

C is the correct answer 35% and 9%

8 0
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