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Juli2301 [7.4K]
3 years ago
11

What does initial buret and final buret reading mean

Chemistry
1 answer:
ikadub [295]3 years ago
4 0
Initial buret reading means the volume of acid taken in the buret and final reading means the remaining volume of acid after experiment
 
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How many moles of oxygen gas are required to form 55g of carbon monoxide gas
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8.33 moles CO2 X. 25mol O2. 16mol CO2. = 13.0 moles

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3 years ago
Which agent would most likely
fredd [130]

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Wind

Explanation:

Most conifers and about 12% of the world's flowering plants are wind-pollinated. Wind pollinated plants include grasses and their cultivated cousins, the cereal crops, many trees, the infamous allergenic ragweeds, and others. All release billions of pollen grains into the air so that a lucky few will hit their targets.

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2 years ago
What is the maximum number of electrons in p&q shell​
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6 electrons

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:)

hope this helps :))))))))

5 0
2 years ago
Read 2 more answers
Type the correct answer in the box. Express your answer to two significant figures. An industrial vat contains 650 grams of soli
SashulF [63]

88.98 %

The Balance Chemical Equation is as follow,

                                  2 HCl + Pb(NO₃)₂     →    2 HNO₃ + PbCl₂

According to equation,

          331.2 g (1 mole) Pb(NO₃)₂ produces  =  278.1 g (1 mole) PbCl₂

So,

                 870 g of Pb(NO₃)₂ will produce  =  X g of PbCl₂

Solving for X,

                     X  =  (870 g × 278.1 g) ÷ 331.2 g

                     X  =  730.5 g of PbCl₂

Therefore,

               Theoretical Yield =  730.5 g

Also as given,

                Actual Yield =  650 g

So using following formula for percentage yield,

                        %age Yield  =  (Actual Yield / Theoretical Yield) × 100

Putting values,

                        %age Yield  =  (650 g / 730.5 g) × 100

                        %age Yield  =  88.98 %

Brianliest please and thank you.

4 0
3 years ago
If an element has two isotopes, what is the atomic mass if one of the isotopes has a mass of 15.000 amu and makes up 5.000% of t
olasank [31]
The atomic mass of element is the weighted average atomic mass of the element with respect to the abundance of the isotopes of that element 
atomic mass is the sum of the products of the mass of isotopes by their percentage abundance 
atomic mass = 15.000 amu x 5.000 % + 16.000 amu x 95.000 % 
                     = 0.7500 + 15.200
atomic mass of element is therefore 15.950
8 0
3 years ago
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