Grams Moles Conversions

How many moles are in 100 g of carbon dioxide, CO₂?

• 2.27 mol

• 2.36 mol

• 3.51 mol

• 1.49 mol

A baker needs 6 g of baking soda for a recipe. The chemical formula for baking soda is NaHCO₃. How many moles of baking soda is needed?

• 0.071 mol

• 0.167 mol

• 0.273 mol

• 0.214 mol

Tags

NGSS.HS-PS1-7

What is the molar mass of one mole of HCl?

• 79.92 grams per mole of HCl

• 36.46 grams per mole of HCl

• 35.45 grams per mole of HCl

• 1.01 grams per mole of HCl

What is the molar mass of Al₂S₃?

• 150.17 g/mol

• 59.05 g/mol

• 138.23 g/mol

• 75.27 g/mol

What is the mass of 0.89 mol of CaCl₂?

• 111 grams

• 0.008 grams

• 98.9 grams

• none of the choices

Tags

NGSS.HS-PS1-7

Convert 86.235 g of diphosphorus pentaoxide to moles.

• 12240 moles

• 1.8747 moles

• .608 moles

• .60755 moles

Tags

NGSS.HS-PS1-7

If an atom of Fluorine has an atomic mass of 19 amu, it has a Molar mass of ____

• 19 lbs.

• 19 kg

• How am I supposed to know?

• 19 g/mol

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol

• 35.453 g/mol

• 22.990 g/mol

• 58.443 g/mol

Determine the mass of 4.20 moles of C₆H₁₂

• 353 g

• 0.0499 g

• 337 g

• 2.53 x 10²⁴ g

How many moles of sodium chloride are in a 321.8 g sample?

• 18810 moles

• 3.315 x 10²⁴ moles

• 5.507 moles

• 4.767 moles