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Yuki888 [10]
3 years ago
14

Plz help me asap even faster then asap

Chemistry
1 answer:
iren2701 [21]3 years ago
3 0

Answer:

The answer is D.8 sulfer atoms and 16 oxygen atoms

Explanation:

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1. a) Anthony and Joseph create a start up company to make batteries for electric cars. Iron(III) phosphate is needed to create
Elenna [48]

Answer:

 LR is Na₃PO₄  

Explanation:

A quick way to determine the limiting reactant in a process is to convert reactant values to moles and then divide by the respective coefficient of the balanced equation. The smaller number of the division is the limiting reactant. For the given reaction, the rxn ratio of reactants is 1:1 so only the smaller mole value gives limiting reactant. However, if the reaction is NOT 1:1 the one must divide by respective coefficient to identify the smallest value and the limiting reactant.

This problem:

                          FeCl3(aq)          +    Na3PO4(aq)   => FePO4(s) + 3 NaCl(aq)

Given:                  27.8g                          61.9g

moles:        27.8g/162.2g/mole      1.9g/163.94g/mole

                    = 0.1714 mole               = 0.0116 mole

÷ coef.         => 0.1714/1 = 0.1714      => 0.0116/1 = 0.0116

smaller value is LR => =>  =>  =>  => => LR is Na₃PO₄              

Hope this helps. Doc :-)    

3 0
3 years ago
Convert to grams<br> 0.100 moles of Co2
omeli [17]
One mole of C= 12 grams
two moles of O =32
so one mole of CO^2 is44 grams
.1 moles or 1/10 moles of 44 grams is 4.4 grams
3 0
3 years ago
Which sentence is a scientific statement? A. There is a substance around us that cannot be detected. B. Kids should go to school
stellarik [79]

Answer:

Experimentation is the best way to obtain knowledge.

Explanation:

This is a statement and it is scientific

6 0
3 years ago
In the formula
faust18 [17]

Answer: remove a H2 molecule from the left side of the equation

Explanation:

6 0
3 years ago
How many atoms of calcium, Ca would be equal to 5.472 X 104 moles Ca?
Montano1993 [528]
Answer:
             3.29 × 10²⁸ Atoms

Solution:
              Moles and Number of atoms are related to each other as,

                           Moles  =  Number of Atoms / 6.022 × 10²³   ------- (1)

Data Given;
                  Moles  =  5.472 ×10⁴

                  Number of Atoms  =  ?

Solving eq. 1 for Number of Atoms,

                        Number of Atoms  =  Moles  × 6.022 × 10²³

Putting values,

Number of Atoms  =  5.472 ×10⁴ mol × 6.022 × 10²³ atoms.mol⁻¹

Number of Atoms  =  3.29 × 10²⁸ Atoms
5 0
3 years ago
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