Question

In: Chemistry

1) 1. How many ATOMS of sulfur are present in 4.30 moles of sulfur dioxide ?...

1) 1. How many ATOMS of sulfur are present in 4.30 moles of sulfur dioxide ?
atoms of sulfur.

2. How many MOLES of oxygen are present in 1.91×10²² molecules of sulfur dioxide ?
moles of oxygen.

2) 1. How many MOLECULES of carbon tetrafluoride are present in 1.45 moles of this compound ?
molecules.

2. How many MOLES of carbon tetrafluoride are present in 1.07×10²³ molecules of this compound ?
moles.

3) 1. How many MOLECULES of phosphorus triiodide are present in 2.80 moles of this compound ?
molecules.

2. How many MOLES of phosphorus triiodide are present in 1.08×10²³molecules of this compound ?
moles.

3) 1. How many ATOMS of sulfur are present in 8.41 grams of sulfur dioxide? atoms of sulfur .

2. How many GRAMS of oxygen are present in 1.91×10²² molecules of sulfur dioxide ? grams of oxygen

4) 1. How many MOLECULES of carbon tetrafluoride are present in 1.91 grams of this compound ? molecules.

2. How many GRAMS of carbon tetrafluoride are present in 1.07×10²³ molecules of this compound ? grams.

5) 1. How many MOLECULES of phosphorus triiodide are present in 4.98 grams of this compound ? molecules.

2. How many GRAMS of phosphorus triiodide are present in 1.08×10²³molecules of this compound ? grams.

6)
What is the mass of a sulfur dioxide molecule ?
grams

7)What is the mass of a carbon tetrafluoride molecule ?
grams

8)What is the mass of a phosphorus triiodide molecule ?
grams

9)1. How many GRAMS of sulfur are present in 4.30 grams of sulfur dioxide ?
grams sulfur.

2. How many GRAMS of sulfur dioxide can be produced from 1.69 grams ofoxygen ?
grams sulfur dioxide.

10)1. How many GRAMS of cobalt(II) are present in 1.36 grams of cobalt(II) sulfite ?
grams cobalt(II).

2. How many GRAMS of cobalt(II) sulfite can be made from 4.90 grams ofcobalt(II) ?
grams cobalt(II) sulfite.

11)1. How many GRAMS of chromium(II) are present in 2.74 grams ofchromium(II) chloride ?
grams chromium(II).

2. How many GRAMS of chromium(II) chloride can be made from 4.92 grams ofchromium(II) ?
grams chromium(II) chloride.

Expert Solution

1)How many ATOMS of sulfur are present in 4.30 moles of sulfur dioxide ?
atoms of sulfur.
ans :0.067mole

2) How many MOLES of oxygen are present in 1.91×10^22 molecules of sulfur dioxide ?
ans : 6.3 moles of oxygen

1. How many MOLECULES of carbon tetrafluoride are present in 1.45 moles of this compound ?

ans: 1.45*6.023*10^23 = 8.733*10^23

How many MOLES of carbon tetrafluoride are present in 1.07×10^23 molecules of this compound ?

ans: 0.177

1. How many MOLECULES of phosphorus triiodide are present in 2.80 moles of this compound ?

ans : 16.86*10^23

How many GRAMS of phosphorus triiodide are present in 1.08×10^23molecules of this compound ?

ans : 73.69gram

What is the mass of a sulfur dioxide molecule ?

ans : 64.06/(6.023*10^23)gram = 10.63*10^-23

)What is the mass of a carbon tetrafluoride molecule ?

ans : 14.61*10^-23

WE HAVE STRICT INSTRUCTION, NOT TO ANSWER FOR THE MORE NUMBER OF QUESTIONS IN SAME TAG

queen_honey_blossom answered 1 year ago

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