Question

production of 13g of C2H2 requires consumption of how many grams of H2O? ​

Answer 1

$C2H2+2H2O=Ca(OH)2+C2H2</p><p></p><p>n=\frac{m}{M}=\frac{13}{26}=0.5n=Mm=2613=0.5 mol</p><p></p><p>\frac{x}{2}=\frac{0.5}{1}2x=10.5</p><p></p><p>x=1</p><p></p><p>m=n\times M=1*18=18m=n×M=1∗18=18 g</p><p></p><p>$