nyknicks191 nyknicks191
  • 12-01-2018
  • Chemistry
contestada

caculate the number if moles of the following: 800. g of Ca

Respuesta :

kenmyna
kenmyna kenmyna
  • 12-01-2018
mole   is  equal  to   mass  of  the  element  divided  by   molar  mass  of  the  element.  that   is
mole=mass/molar  mass
From  periodic  table calcium  has  a   molar  mass  of  40   g/mol
moles  is   therefore  =800g/40g/mol=20moles
Answer Link

Otras preguntas

JOE HAS A COLLECTION OF 35 DVD MOVIES.HE RECEIVED 8 OF THEM AS GIFTS. JOE BOUGHT THE REST OF HIS MOVIES OVER 3 YEARS. IF HE BOUGHT THE SAME NUMBER OF MOVIES EAC
Hot Air Balloon 1 is 10 meters above the ground, rising 15 meters per minute, and Hot Air Balloon 2 is 150 meters above the ground descending 20 meters per minu
Find 30% of 26. I need help really bad.
is it true that 9/10 people have some form of herpes
Which of the following is not true about Article Four of the U.S. Constitution? It places limits on the powers of the states. It allows all states
Is displacement more like the length of a rope that is pulled tight or the length of a coiled rope? Explain.
Medicines that prevent disease include
Eric and frank want to equally share 4/3 feet of rope what length of rope should each friend get
The question is At the pet fair, there were42 dogs and 35 cats. The pets must be split into small groups so that there are the same number of dogs in each grou
which statement about the great compromise is accurate