Tectonic Tectonic
  • 19-10-2023
  • Chemistry
College

How many atoms are in 187 g of calcium?

Answer :

Willchemistry Willchemistry
  • 14-04-2024
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

Other Questions

A tea merchant blends two varieties of tea costing Rs 234 and
What percentage of 38.1 is 16?
What is the rate of decay, [tex] r [/tex] (expressed as a
If 35.8 g of CH₄ and 75.5 g of S react, how
Which of these objects would most likely cause a sound wave? A.
What is the break strength of the MAU-182 ring and swivel?
A manager is booting a tablet with Windows 8 installed. The boot
A stationary 16 kg mass moves a distance of 84 meters in
A buffer is prepared by adding 37.9 mL of 2.62 M weak
Case Study Rebecca Turner, a 32-year-old woman presents to the emergency department
Which of the following is equivalent to the given expression [tex]$6(5r -
A truck tire is filled with air to an interior pressure of
Compute, by hand calculations, the minimum and maximum orbital speeds for an
A deli wraps its cylindrical containers of hot food items with plastic
Would you comply, avoid, or defy the Vietnam draft? Provide an elaborate