Gram

What is the mass in grams of 2.3456 moles of W?

• 431.22 grams

• 6.02 grams

• 207.2 grams

• 486.01 grams

How many moles are in 98.3 g of Aluminum Hydroxide (Al(OH)₃)?

• 78.0 mol

• 1.30 mol

• 6.60 mol

• 5.90 mol

Tags

NGSS.HS-PS1-7

How many moles are in 16.94g of water?

• 16.94 mol H₂O

• 0.9401 mol H₂O

• 305.3 mol H₂O

• 1.063 mol H₂O

How many steps will it take me to convert units from grams of compound A to grams of compound B?

• 4

• 3

• 2

• 1

I use molar mass to convert to moles when the problem gives me grams?

• False

• True

How do I convert from grams to moles?

• multiply by molar mass

• divide by molar mass

• multiply by Avogadro's number

• divided by Avogadro's number

If we have 10 g of O₂, how many grams of H₂O can we make? Place the parts of the setup of a gram to gram conversion in the correct position.

a

b

c

d

e

f

2 mol H₂O/1 mol O₂

1 mol H₂O

32 g O₂

18.02 g H₂O

1 mol O₂

10 g O₂

Tags

NGSS.HS-PS1-7

What is the mass in grams of 1 mole of carbon?

• 12 grams

• 6 grams

• 24 grams

• 18 grams

How many grams are in 0.5 moles of sodium chloride (NaCl)?

• 29.25 grams

• 58.5 grams

• 14.625 grams

• 117 grams

Which of the following is the correct formula to convert grams to moles?

• Multiply by molar mass

• Divide by molar mass

• Multiply by Avogadro's number

• Divide by Avogadro's number