Chemical Reactions: Stoichiometry and Metals
Not what you're looking for?
1. Calculate the molar mass of the following compounds:
a. sodium selenide
b. Palladium (II) hydroxide
2. Calculate the number of grams in each of the following compounds:
a. 4.0 moles of CaCl2(s)
b. 0.467 moles of (NH4)CO3(s), baking powder
3. Calulate the number of moles in each of the following compounds:
a. 150.0 g of NaBr (s)
b. 60.0g of ZnS(s)
4. Using the balanced chemical equation below, answer the following questions regarding mole relationships:
C3H8(g) + 5O2(g) -->3CO2(g) + 4H2O(g)
a.What are the mole-mole factors or molar rations of the following:
i. Propane to oxygen -->
ii. Water to carbon dioxide ->
iii. Carbon dioxide to oxygen -->
b.How many mole of oxygen gas are required to completely combust 7.0 moles of propane gas?
c.How many moles of carbon dioxide gas are produced from the burning of propane gas in the presence of 15.0 moles of oxygen gas?
5. Using the balanced chemical reaction below, answer the following questions regarding stoichiometry.
2K(s) + Zn(NO3)2(aq) --> Zn(s) + 2KNO3(aq)
a. Determine the mass of zinc metal produced from the reaction 6.0 moles of potassium metal in an excess solution of zinc nitrate.
b. Determine the number of moles of zinc nitrate solution required to react completely with 150.0g of potassium metal.
c. What mass of zinc metal will be produced from the reaction of 300.0 g of Zn(NO3)2 with an excess of potassium metal?
Purchase this Solution
Solution Summary
The following problem helps with various physical chemistry problems. Concepts covered involve molar mass, stoichiometry and metals.
Purchase this Solution
Free BrainMass Quizzes
Match Elements with their Symbols
Elements are provided: choose the matching one- or two-letter symbol for each element.
Organic Chemistry Naming: Alkanes
This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.
Functional groups in Organic Chemistry
You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.
General Chemistry - Classification of Matter
This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.