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Molar Mass Problems 1. Calculate the mass of 1.000 mole of CaCl2 2. Calculate grams in 3.0000 moles of CO2 3. Calculate number of moles in 32.0 g of CH4 4. Determine mass in grams of 40.0 moles of Na2CO3 5. Calculate moles in 168.0 g of HgS 6. Calculate moles in 510.0 g of Al2S3 7. How many moles are in 27.00 g of H2O 8.
The Mole Review 1) Define “mole”. 2) How many moles are present in 34 grams of Cu(OH) 2? 3) How many moles are present in 2.45 x 1023 molecules of CH 4? 4) How many grams are there in 3.4 x 1024 molecules of NH 3? 5) How much does 4.2 moles of Ca(NO 3) 2 weigh? 6) What is the molar mass of MgO?
Use the formula below to answer questions 1- 4 3Cu + 8HNO 3 3Cu(NO 3) 2 + 2NO + 4H 2 O 1. What is the mole ratio of copper to nitrogen monoxide in this reaction? 2. If 1.50 moles of copper are used, how many moles of NO are produced? 3. If 4.50 moles of HNO 3 are used, how many moles of copper (II) nitrate are produced? 4.
Molar Mass Practice Worksheet Find the molar masses of the following compounds: 1) NaBr 2) PbSO 4 3) Ca(OH) 2 4) Na 3 PO 4 5) (NH 4) 2 CO 3 6) C 6 H 12 O 6 7) Fe 3 (PO 4) 2 8) (NH 4) 2 S 9) Zn(C 2 H 3 O 2) 2 10) AgF
Worksheet #13 Using Avogadro’s number and Molar Masses (2p.) 1. Calculate the molar mass of each of the following compounds: AgCl CaBr2 Li2O C6H12O6. 2. Using the conversion factor [ Molar Mass = 1 Mole] solve the following problems using dimensional analysis. Keep track of your units! a) Calculate the mass of 5.634 moles of HCN.
The document provides a worksheet to calculate the molar masses of 14 different chemicals by determining the mass of each chemical's formula unit. The answer key then lists the molar mass in g/mol for each of the chemicals calculated in the worksheet.
This document provides a molar mass worksheet that asks the student to determine the molar mass of various elements and compounds, calculate the mass of samples given in moles, determine the number of moles in samples given in grams, and calculate the number of atoms or molecules in samples given in moles or grams.
