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lana [24]
3 years ago
7

Why is modern chemistry considered scientific??

Chemistry
2 answers:
yKpoI14uk [10]3 years ago
7 0

Answer:

Chemistry now depends on empirical data rather than mere reasoning.

Explanation:

Modern chemistry is considered scientific because it depends on the scientific method.

Science is empirical in nature. Hypothesis are confirmed based on careful observation and experimentation before inferences are made based on experimental observations.

Chemistry in ancient times was based mostly on thought and reasoning. A typical example is the phlogiston theory which had no experimental backup.

Today chemistry entirely depends on evidences which are reproducible rather than mere reasoning.

svp [43]3 years ago
6 0

I know I'm super late to answering this because it's a two week old question, but I'll just answer it any way lol.

The main reason why modern chemistry is considered scientific is because to confirm their results, scientists use the scientific method.

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what is the concentration of hydroxide ions after 50.0 ml of 0.250 m naoh is added to 120 ml of 0.200 m na2so4? please show all
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The concentration of the hydroxide ions after 50 ml of 0.250M NaOH is added to 120ml of 0.200M Na2SO4 is 7.35 x 10^-2 M.

What is meant by concentration?

Concentration is the total amount of solute present in the given volume of solution. this is expressed in terms of molarity, molality, mole fraction, normality etc. The term concentration mostly refers to the solvents and solutes present in the solution.

Concentration of hydroxide ions can be calculated by,

M (OH^-) = V (NaOH) x M (NaOH) / V (total) = 50ml x 0.250M / 50ml + 120ml = 0.0735M = 7.35 x 10^-2 M.

where M (OH^-) = concentration of hydroxide ions, V(NaOH) = volume of NaOH, M(NaOH) = concentration of NaOH.

Therefore, the concentration of the hydroxide ions after 50 ml of 0.250M NaOH is added to 120ml of 0.200M Na2SO4 is 7.35 x 10^-2 M.

To learn more about concentration click on the given link brainly.com/question/17206790

#SPJ4

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