Chemistry

How many moles of AgNO3 are there in 170 grams of AgNO3?

1 mole

How many molecules are in 2.00 mol of water?

1.20 x 10^24 molecule

How many grams are there in 0.250 moles of NaOH?

10 gram grams

NH3

17 grams

What is the molar mass of H2O?

18 grams

How many moles of H3PO4 are there in 196 grams of H3PO4 ?

2 moles

How many moles of MgCl2 are there in 190.00 grams of MgCl2?

2 moles

How many molecules are there in 00 moles of SO2?

2.4008x10^24

Na

22.98

How many grams are there in 2.50 moles of KNO3?

252.5 grams

How many molecules are there in 0.50 moles Cl?

3.01 x 1023

CO2

44

How many grams are there in 2.00 moles of Na

46 grams

Valance Electron

Electrons of the highest energy level

What is the molar mass of sodium chloride?

58.4 g/mol

How many atoms are there in 1.00 mole of calcium?

6.02 x 10^23 atoms

How many grams are there in 2.00 moles of CO2?

88 grams

What is the significance of Avogadro's number? Avogadro's number is the number of

particles in a mole