Problem: Calculate the mass of hydrogen from the reaction of 2.70 g of aluminum metal and hydrochloric acid. Al (s) + HCl (aq) → AlCl3 (aq) + H2 (g) (a) 0.606 g (b) none of these (c) 0.202 g (d) 0.303 g (e) 0.135 g

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Calculate the mass of hydrogen from the reaction of 2.70 g of aluminum metal and hydrochloric acid. 

Al (s) + HCl (aq) → AlCl3 (aq) + H2 (g) 

(a) 0.606 g 

(b) none of these 

(c) 0.202 g 

(d) 0.303 g 

(e) 0.135 g