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fgiga [73]
3 years ago
7

For the following hypothetical reaction:

Chemistry
2 answers:
ycow [4]3 years ago
8 0

For the reaction:

3A +5B--->12C

Here 3 moles of A are reacting with 5 moles of B to produce 12 moles of C.

so, 1 mole of A will produce = 12÷3 moles of C

                                               =  4 moles of C

so 2 moles of A will produce = 4×2 moles of C

                                                 = 8 moles of C

so, 2 moles of A are reacting with excess of B to produce 8 moles of C.

so , the answer is 2 moles of A are reacting with excess of B to produce 8 moles of C.

nata0808 [166]3 years ago
3 0

Answer:

8 moles of compound C can you produce with 2 moles of compound A and excess compound B.

Explanation:

3A+5B → 12C

We are given with excess moles of compound B and 2 moles of compound A.

Moles of compound A = 2 moles

According to reaction, 3 moles of compound A gives 12 moles of compound C.

Then 2 moles of compound A will give:

\frac{12}{3}\times 2mol=8 mol of compound C.

8 moles of compound C can you produce with 2 moles of compound A and excess compound B.

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How many moles of glucose are in 19.1 g of glucose
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Answer:

There are 0,106 mol of glucose in 19,1g.

Explanation:

First we calculate the weight of 1 mole of Glucose whose molecular formula is C6 H12 0 6, with the atomic weights of each element obtained from the periodic table. Then, by means of a simple rule of three we calculate the moles that are in 19.1 grams:

Weight 1 mol C6H1206 = (Weight C)x 6 + (Weight H)x12 + (Weight 0)x6=

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180 g ----1 mol glucose

19,1 g-----x= (19,1 g x 1 mol glucose)/ 180 g= <em>0,106 mol</em>

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