Determining Moles And Grams Question Preview (ID: 29925)


Using Molar Mass To Determine Grams Or Moles. TEACHERS: click here for quick copy question ID numbers.

How many moles are in 215 grams of Mn3(PO4)2?
a) .2 mol
b) .4 mol
c) .6 mol
d) .8 mol

What is the molar mass of K2CO3?
a) 138.2 g /mol
b) 130.2 g /mol
c) 125 g /mol
d) 118.2 g / mol

How many grams are in .78 moles of LiClO?
a) 45.06 grams
b) 45.6 grams
c) 90.6 grams
d) 163.6 grams

How many moles are in 110 grams of Pb(NO3)2?
a) .3 mol
b) .2 mol
c) .1 mol
d) .03 mol

What is the molar mass of Co(OH)3?
a) 108.9 g /mol
b) 109.9 g /mol
c) 113 g /mol
d) 118 g /mol

How many grams are in six moles of HF?
a) 20 grams
b) 120 grams
c) 220 grams
d) 320 grams

How many moles are in 45 grams of CrO3?
a) .2 moles
b) .3moles
c) .4 moles
d) .5 moles

How many grams are in 2 moles of FeH3?
a) 118 g
b) 116 g
c) 114 g
d) 112 g

How many moles are in 200 grams of Sc(NO3)2?
a) .9 mol
b) .7 mol
c) .5 mol
d) .3 mol

What is the molar mass of CH4?
a) 52 g / mol
b) 78 g / mol
c) 16 g / mol
d) 5 g / mol

What is the molar mass of sodium hypochlorite?
a) 58.5 g / mol
b) 74.5 g / mol
c) 90.5 g / mol
d) 177.9 g / mol

How many grams are in .57 moles of potassium hydroxide?
a) 22.9 g
b) 32 g
c) 56.1 g
d) None of the above

How many moles are in 50 grams of boron fluoride?
a) 1.7 mol
b) 1.4 mol
c) 1.1 mol
d) .7 mol

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