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Biblioteka

03 Molar mass practice

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Posljednje ažuriranje almost 5 years ago
13

Use atomic mass of elements to the tenth. Example: O=15.999 round to 16.0. P=30.974 round to 31.0. Be=9.0122 round to 9.0

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Pitanje 1
1.

Calculate the molar mass of each substance. Show all work and include units.

Calcium sulfate, CaSO4

Pitanje 2
2.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

Gypsum, CaSO4 • 2 H2O

Pitanje 3
3.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

Cobalt phosphate, Co3(PO4)2

Pitanje 4
4.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

Sodium sulfite, Na2SO3

Pitanje 5
5.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

Copper(II) sufate pentahydrate, CuSO4• 5H2O

Pitanje 6
6.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

Putrescine, C4H12N2

Pitanje 7
7.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

Dinitrogen tetrahydride, N2H4

Pitanje 8
8.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

sodium hypochlorite, NaClO

Pitanje 9
9.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

Diethyl ether, (C2H5)2O

Pitanje 10
10.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

Boric acid, H3BO3

Pitanje 11
11.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

glucose, C6H12O6

Pitanje 12
12.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

ethanol, C2H6O

Pitanje 13
13.

Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.

Caffeine, C8H10N4O2