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tensa zangetsu [6.8K]
3 years ago
9

In an experiment you are asked to react hydrochloric acid with sodium hydroxide. When measuring the volume of the reactants, whi

ch instrument would give the greatest precision?
Chemistry
1 answer:
Bingel [31]3 years ago
7 0
What are the options? based on the volume it can differ but in general pipettes and graduated cylinder are the best.  <span />
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What is the molecular formula of paradichlorobenzene that has a molar mass of 147.g/mol and an empirical formula of C3CIH2?
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the molecular formula of paradichlorobenzene is C6H4CL2

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A famous scientist named in the first 100 periodic table
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1.curium ( 1944 Marie and Pierre Curie 
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4 0
3 years ago
What forces are present in this situation?
Andre45 [30]

Answer:

gravity and tension i believe is the answer HOPE THIS HELPED

Explanation:

4 0
3 years ago
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Simple circuit with a power supply, two lightbulbs, a switch and connecting.
DochEvi [55]
Hello! hopefully this can help you out

3 0
2 years ago
What is the percent yield of ammonia if
Flauer [41]

Answer:

Percent yield = 88.23%

Explanation:

Given data:

Percent yield of ammonia = ?

Actual yield = 15 g

Mass of nitrogen = 14 g

Solution:

Chemical equation:

N₂ + 3H₂      →     2NH₃

Number of moles of nitrogen:

Number of moles = mass/molar mass

Number of moles = 14 g/ 28 g/mol

Number of moles = 0.5 mol

Now we will compare the moles of ammonia and nitrogen.

         N₂          :         NH₃

          1            :         2

         0.5        :        2/1×0.5 = 1 mol

Mass of ammonia/Theoretical yield

Mass = number of moles × molar mass

Mass = 1 mol × 17 g/mol

Mass = 17 g

Percent yield:

Percent yield = ( actual yield / theoretical yield )× 100

Percent yield =  (15 g/ 17 g)× 100

Percent yield = 88.23%

3 0
3 years ago
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