Answer:
B. electron
Explanation:
B. electron
electron is a negatively charged particle
proton is a positively charged particle
From the Graham's law of effusion;
R1/R2 = √MM2/√MM1
Molar mass of chlorine gas is 71
Therefore;
1.87= √ 71 /√mm1
= 1.87² = 71/mm1
mm1 = 71/1.87²
= 71/3.4969
= 20.3
Thus, the molar mass of the other gas is 20.3 , and i think the gas is neon
Answer: Kw (mol2 dm-6):1.008 x 10-14 pH:7.00
Explanation:
