Molar & atomic Mass Mole  > particles Mass  > Mole Molar Volume of Gas Gas Density 10 20 30 40 50.

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Presentation transcript:

Molar & atomic Mass Mole  > particles Mass  > Mole Molar Volume of Gas Gas Density

Question What is the molar mass of O?

Answer 1 – g

Question What is the atomic mass of CH 4?

Answer 1 – amu

Question What is the atomic mass of HCO 3 - ?

Answer 1 – amu

Question What is the molar mass of H 2 SO 4 ?

Answer 1 – g

Question What is the molar mass of Fe(OH) 3 )?

Answer 1 – g

Question How many moles in 6.02 x particles of N 2 ?

Answer 2 – 10 1 mole

Question Find the number of atoms in 3.0 moles of P.

Answer 2 – x atoms

Question Find the number of ions in 4.56 moles of Cl -.

Answer 2 – x 10 24

Question Find the number of moles in 9.50 x atoms of Pb

Answer 2 – moles

Question Find the number of moles in 8.12 x molecules of C 2 H 6

Answer 2 – moles

Question What is the mass of one mole of PCl 3 ?

Answer 3 – g

Question What is the mass of 7.1 mole of O 2 ?

Answer 3 – g

Question How many moles in 90.2 g of H 2 O?

Answer 3 – moles

Question How many grams in moles of H 2 O 2 ?

Answer 3 – grams

Question How many moles in 892 g of Fe(OH) 2 ?

Answer 3 – moles

Question What is standard temperature and pressure?

Answer 4 – 10 0 Celcius 1 atm

Question What is the volume of a 1 mole of CO 2 at STP?

Answer 4 – L

Question What is the volume of 2.10 moles of a H 2 at STP?

Answer 4 – L

Question How many moles are there in 892 L of Helium at STP?

Answer 4 – moles

Question How many moles in 20.6 L of Ar at STP?

Answer 4 – moles

Question The density of a gas at STP is 6.7 g/L. What is its molar mass?

Answer 5 – g/mol

Question The density of a gas at STP is 7.8 g/L. What is its molar mass?

Answer 5 – g/mol

Question The density of a gas at STP is g/L. What is its molar mass?

Answer 5 – g/mol

Question The density of a gas at STP is 24.5 g/L. What is its molar mass?

Answer 5 – g/mol

Question The density of a gas at STP is 89.2 g/L. What is its molar mass?

Answer 5 – g/mol OR 2.00 x 10 3 g/mol