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Need help with these chemistry quesions about mole ratios. There's an image linked to this. Please help

Need help with these chemistry quesions about mole ratios. There's an image linked-example-1

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1) moles Al : moles of HCl

2 : 6

simplifying the ratio;

1 : 3

2)
HCl : AlCl_(3)

6 : 2

3 : 1

3)
Al : AlCl_(3)

2 : 2

1 : 1

4)
HCl : H_(2)

6 : 3

2 : 1

5)
HCl : H_(2)

2 : 1

6 : x

x = 6/2

x = 3 moles

6)
HCl : H_(2)

2 : 1

12 : x

x = 12/2

x = 6 moles

7)
HCl : H_(2)

2 : 1

3 : x

x = 3/2 moles

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