Question

i am giving 110 points!​

Answer 1

Answer:

Thnks for free point dear...

VK is a Russian online social media and social networking service based in Saint Petersburg. VK is available in multiple languages but it is predominantly used by Russian-speakers.

Step-by-step explanation:

Hope it helps you dear..

Answer 2

Answer:

sorry but.... 50 points hi han... BTW thank u

The Avogadro constant is the proportionality factor that relates the number of constituent particles in a sample with the amount of substance in that sample. Its SI unit is the reciprocal mole, and it is defined as NA = 6.02214076×10²³Sachi