Preskoči na glavni sadržaj

Sign up for FREE

Mole Quiz Per 5 Apr 11 2024

Posljednje ažuriranje almost 2 years ago

3 questions

Instrukcije

For each answer round to a reasonable number. Don't forget units - g for gram, mol for moles, g/mol for grams per mole,

1

Pitanje 1

1.

What is the molar mass of MgF₂?

1

Pitanje 2

2.

How many moles are there in 257 g of Mn(NO₃)₂?

1

Pitanje 3

3.

2Al(OH)₃ + 3H₂CO₃ → Al₂(CO₃)₃ + 6H₂O
How many moles of Al(OH)₃is required to react with 3.9 mol of H₂CO₃?