mikaelakaczyns mikaelakaczyns

18-09-2016
Chemistry

Answered

How many atoms are in 187 g of Calcium?

Verified Answer :

Willchemistry Willchemistry

18-09-2016

Atomic mass Calcium ( Ca) = 40.078 u.m.a

40.078 g --------------- 6.02x10²³ atoms
187 g ------------------- ??

187 x ( 6.02x10²³) / 40.078 =

1.125x10²⁶ / 40.078 = 2.808x10²⁴ atoms

hope this helps!

Answer Link

Related Questions

An original stage play is protected by a a patent b insignia c trademark d copyright

Which describes the relationship between potential and kinetic energy of a ball thrown up in the air as it falls back to the ground A Gravitational potential en

What evidence would archaeologist need to learn how ancient bridges were built

Which of the following is the BEST statement about note taking for the research process A Researchers should include as much information as will fit on each not

Which sentence contains a progressive verb A This filter will clean our pool water B The sun is setting later nowadays C Meg has collected coins for many years

I am considered Chinas greatest thinker Who am I

Andrew Jackson won the presidential election with 56 of the popular vote and 68 of the Electoral College votes His big margin of victory was due to his populari

Which process could lead directly to the formation of pumice rock

Factor 12q320q29q15

2 out of 15 cars are blue how many cars are blue when there are 225 cars