answersLogoWhite

0


Best Answer

Take the actual sample weight of 13grams, and divide it by the atomic weight of chromium. This gives you your molar percentage of atoms. Now multiply this molar percentage by Avogadro's constant, the number of atoms in one mole, and this will give you your number of atoms in the sample.

User Avatar

Pearline Blick

Lvl 13
2y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many atoms are in sample of chromium with a mass of 13 grams?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How many Cr atoms are in 147.6 kg of chromium?

Quite a few! 147.6 kg chromium (1000 grams/1 kg)(1 mole Cr/52.00 grams)(6.022 X 1023/1 mole Cr) = 1.709 X 1027 atoms of chromium =========================


How many grams are in 2.92 x 1023 atoms of tin?

There are 57.6 grams of tin in that sample.


How many grams would a sample of 3.01 x 1023 atoms of tellurium be?

63.8g


How many atoms are in a sample of Titanium (Ti) with a mass of 13 grams?

6.022 x 1023= 6.022e+23


How many atoms are in a 341g sample of scandium?

341 grams scandium (1 mole Sc/44.96 grams)(6.022 X 1023/1 mole Sc) = 4.57 X 1024 atoms of scandium =====================


How many chromium atoms and how many oxygen atoms are indicated on the right side of this balanced chemical equation 4 Crs 3 O2g 2 Cr2O3g?

2(2+3)=10 atoms 4 chromium atoms and 6 oxygen atoms


How many grams of silicon would there be in a sample that contained 9.99 x 1025 atoms?

The mass of silicon is 4 659 g.


How many Sn atoms are there in a 86.0 gram sample of Sn?

86.0 grams Sn (1 mole Sn/118.7 grams)(6.022 X 1023/1 mole Sn)= 4.36 X 1023 atoms of tin=================


How many moles of Cr are there in a sample of Cr that contains 4.37E 23 atoms?

A "mole" of chromium is generally regarded as consisting of Avogadro's Number of atoms. Therefore, 4.37 X 1023 atoms constitutes (4.37 X 1023)/(6.022 X 1023) or 0.726 moles.


How many atoms are there in one molecule of Cr(NO3)3?

Chromium(III) nitrate is not made of molecules. It is ionic. There are 4 ions in one formula of chromium(III) nitrate.


How many grams is 56.8 grams?

a metal sample weigs 56.8 gramsHow many ounces does this sample weigh?


How many atoms are presents in 3 moles of chromium?

1.8x10*24