How many molecules are there in 162 grams of no2

2.130086×10^24molecules

Explanation:

Number of mole=Mass/Molar mass ×Avogadros Constant

162/46 ×6.023×10^23

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!