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olga nikolaevna [1]
3 years ago
14

Why is it important to use scientific notation when talking about our solar system and galaxies?

Chemistry
1 answer:
IgorLugansk [536]3 years ago
3 0

Answer:

The main purpose for converting numbers into scientific notation is to make calculations with surpisingly large or small numbers less complicated. Since zeros are not used to place the decimal point, all of the digits in a number in scientific notation are meaningful and easier to read. Hope this helps!

Explanation:

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calculate the mass of sodium hydroxide you would need to neutralize a solution containing 7.3g of hydrochloric acid
Mashcka [7]
Molar mass of NaOH = 23 + 16 + 1 = 40.0 g/mol

Molar mass of HCl = 1 + 35.5 = 36.5 g/mol

NaOH + HCl = NaCl + H2O

1*40 g NaOH ------> 1*36.5 g HCl
        g NaOH -------> 7.3 g HCl

36.5 g  = 40 * 7.3

36.5 g = 292

mass ( NaOH ) = 292 / 36.5

mass ( NaOH ) = 8.0 g of NaOH

hope this helps!.

4 0
3 years ago
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Answer:

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7 0
3 years ago
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How many molecules are in 1.35 mol of CS2
snow_lady [41]

Answer:

There are  there are 8.13-10^25

Explanation:

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4 0
3 years ago
The population of the Earth at the end of 2018 was approximately 7.7 × 10 9 people. Which of the following is the correct way of
stepladder [879]

Answer:

7700000000

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