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Dima020 [189]
3 years ago
6

Which would be most precise and why?

Chemistry
1 answer:
rjkz [21]3 years ago
3 0

Answer:

The decimal point in each number

Explanation:

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Which subatomic particle is the identity of the atom and why?
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How many mole of CO2 are in 58.9g of the compound
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Concentrated sulfuric acid contains very little water, only 5.0% by mass. it has a density of 1.84g/ml. what is the molarity of
kvasek [131]
When m for water is only 5 % so, m for the acid is (m%) = 95%

and D = 1.84 g/ml, assume 1 L of solution therefore,
1- D= m / v
m = D x v =  1.84 g/ml x 1 L x 10^3 ml /L
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2- m% = m acid / m sol x 100 %
m acid = 1840 g H2So4 x 0.95
            = 1750 g H2So4
3- n = 1750 g H2So4 x 1 mol H2So4 x 98.09 H2So4
   = 17.8 mol H2So4
4- So the molarity of { H2So4} = n / v = 17.8 mol H2So4 / 1 L
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5 0
4 years ago
8. Which of the following is TRUE about limiting and excess reactants?
Ivahew [28]
B. The limiting reactant determines the max amount of product that can be formed
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What are the three ways resources are classified?
Korvikt [17]

Answer:

<u>On the basis of ownership, distribution, durabilities.</u>

Explanation:

  • In 1933, the concept of resources was given Zimmerman as a resource signifies possibility and may b a means to an end. According to him resources satisfy human wants and needs, having two important functions of utility and ability.
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4 years ago
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