Moles And Stoichiometry Review: Question Preview (ID: 8707)

Below is a preview of the questions contained within the game titled MOLES AND STOICHIOMETRY REVIEW: Review Of Moles And Stoichiometry .To play games using this data set, follow the directions below. Good luck and have fun. Enjoy! [print these questions]

Play games to reveal the correct answers. Click here to play a game and get the answers.

Which is an empirical formula
a) C2H2 b) H2O c) H2O2 d) C6H12O6
CH4 + 2 O2 --> CO2 + 2 H2O. How many moles of oxygen are needed to completely react with 3 moles of CH4.
a) 3 moles b) 2 moles c) 6 moles d) 9 moles
What is the gram formula mass of K2CO3.
a) 120 g b) 138 g c) 148 g d) 150 g
In which type of reaction does a compound break down into 2 or more elements or simpler compounds
a) Synthesis b) Decomposition c) Single Replacement d) Combusion
What is the empirical formula of the compound whose molecular formula is P4O10?
a) PO b) PO2 c) P2O5 d) P8O20
What is the percent by mass of oxygen in magnesium oxide, MgO?
a) 20 % b) 40 % c) 50 % d) 60 %
A compound is 86% carbon and 14% hydrogen by mass. What is the empirical formula for this compound?
a) CH b) CH2 c) CH3 d) CH4
What is the percent by mass of water in the hydrate Na2CO3 * 10H2O (formula mass = 286)?
a) 6.89 % b) 14.5 % c) 26.1 % d) 62.9 %
What is the total number of oxygen atoms in the formula MgSO4 * 7 H2O?
a) 11 b) 7 c) 5 d) 4
What quantity is equivalent to 39 g of LiF
a) 1.0 mole b) 2.0 moles c) 0.5 mole d) 1.5 moles
Play Games with the Questions above at
To play games using the questions from the data set above, visit and enter game ID number: 8707 in the upper right hand corner at or simply click on the link above this text.

Log In
| Sign Up / Register