50 g of sample of calcium when reacted with excess of dil HCL 4 48L of H2 gas was liberated - Science - Atoms and Molecules

Question

50 g of sample of calcium when reacted with excess of dil HCL 4 48L
of H2 gas was liberated at STP Ca + 2HCL =
CaCl2 + H2 Find the percentage purity of the
sample
a) 22%
b) 16%
c) 50%
d) 40%

Ravjot Kaur · Accepted Answer

Dear studentThe reaction is Ca+ 2HCl → CaCl2+ H222
4g H2 is produced from 40 08g Ca4
48L will be produced from 40 0822
4×4
48                           = 8
01g of Caweight of sample =50g% purity is 8
0150×100                    = 16
02%

option b is correct

Regards

50 g of sample of calcium when reacted with excess of dil HCL 4.48L of H2 gas was liberated at STP Ca + 2HCL = CaCl2 + H2. Find the percentage purity of the sample. a) 22% b) 16% c) 50% d) 40%

50 g of sample of calcium when reacted with excess of dil HCL 4.48L of H₂ gas was liberated at STP Ca + 2HCL = CaCl₂+ H₂. Find the percentage purity of the sample.
a) 22%
b) 16%
c) 50%
d) 40%