i3mimajuliesires i3mimajuliesires

29-09-2016
Chemistry

contestada

how many atoms are in 165 g of calcium?

Respuesta :

Willchemistry Willchemistry

07-10-2016

Atomic mass Calcium = 40.078 a.m.u

40.078 g ---------------- 6.02x10²³ atoms
165 g -------------------- ??

165 x ( 6.02x10²³) / 40.078 => 2.47x10²⁴ atoms

hope this helps!

Answer Link

Otras preguntas

Up to a third of all young black men are either incarcerated in the corrections system or on probation or parole. what most accounts for this over-representatio

Shari'ah law mandates social and economic behavior based on interpretation of the:______.

What is the equation of the line described below written in slope-iWhat is the equation of the line described below written in slope-intercept form? the line pa

According to the concept of ______, two variables are associated when information about one can help us improve our prediction of the other.

explain the frustration that many voters and politicians have with gerrymandering. Explain how it can lead to wasted votes.

____________________ is the condition that occurs when the body cannot get the air it needs to function.

Even if the good samaritan laws in a particular state cover the actions of emts as rescuers, the emts can still be held liable and are not protected by these la

Why does Neiterkob's daughter most likely tell the myth "The Beginnings of the Maasai"?

There are 2,900 students at our school. If 51% of them are female, how many female students are there at our school?

Factors affecting population distribution in Ethiopia