Find the number of mole of hydrogen gas, H2 containing
(1)6.02x10^23 hydrogen atoms

a beaker contains 0.1 mol of zinc chloride number of ions ,ZnCl2,
(1_) calculate the number of moles of chloride ions in the beaker .
(2_) find the total number of ions in the beaker

1

Jawapan

  • Adl
  • Bercita-cita tinggi
2016-02-11T10:58:39+08:00
(1) 6.02x10^23 x 2/ 6.02x10^23 = 2 (times by 2 bcs hidrogen gas consist of 2 hidrogen atom)

(1_)
0.1 x 6.02x10^23 x 2
= 1.204x10^23
(times 2 bcs ZnCl2 consist of 2 chloride ions)

(2_)
0.1x6.02x10^23x3
= 1.806x10^23
(times 3 bcs there are 1 zink ion + 2 chloride ions = 3 ions)
jawapan no 1 ialah 0.2 mol kenapa?