Respuesta :

ujalakhan18

Answer:

[tex]\huge\boxed{\sf 15.75\ moles }[/tex]

Explanation:

Given reaction is:

3X + 2Y → 5C + 4D

In this reaction, we have:

For 3 moles of X, 4 moles of D

So,

4D = 3X

Divide both sides by 4

D = 3X/4

Multiply both sides by 21

21D = 3X/4 × 21

21D = 3*21X/4

21D = 63X/4

21D = 15.75X

So, to produce 21 moles of D, we need 15.75 moles of X.

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807

DᴀʀᴋPᴀʀᴀᴅᴏx

[tex]\huge \tt༆ Answer ༄[/tex]

According to given equation,

[tex]{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:3 \: moles \: X \rightarrow \: 4 \: moles \: D[/tex]

Now, let's use simple unitary method ~

[tex]{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: \dfrac{3}{4} \: moles \: X \rightarrow \: 1 \: moles \: D[/tex]

[tex]{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: \dfrac{3}{4} \times 21 \: moles \: X \rightarrow 21 \: moles \: D[/tex]

[tex]{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:15.75 \: moles \: X \rightarrow 21 \: moles \: D[/tex]

Therefore, request moles of X is 15.75 moles !

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