Many metals react with oxygen gas to formthe metal oxide. For example, calciumreacts as follows: 2Ca(s) +O2 (g) →2CaO(s)[molar mass of Ca = 40 g/mol] You wish tocalculate the mass (g) of calcium oxide thatcan be prepared from 4.20 g of Ca and 2.80g of O2. (a) What amount (mol) of CaO canbe produced from the given mass of Ca? (b)What amount (mol) of CaO can beproduced from the given mass of O2? (c)Which is the limiting reactant? (d) Howmany grams of CaO can be produced?

Given, Mass of Ca = 4.20 g Molar mass of Ca = 40 g/mol Moles of Ca = mass/molar mass . = 4.20/40…

Answered: ollows: 2Ca(s) +02 ss of Ca = 40 g/m he…

ollows: 2Ca(s) +02 ss of Ca = 40 g/m he mass (g) of cal epared from 4.20 1) What amount (m ced from the giver punt (mol) of CaO from the given m me limiting reactar

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 157QRT

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Question

Many metals react with oxygen gas to form
the metal oxide. For example, calcium
reacts as follows: 2Ca(s) +O2 (g) →2CaO(s)
[molar mass of Ca = 40 g/mol] You wish to
calculate the mass (g) of calcium oxide that
can be prepared from 4.20 g of Ca and 2.80
g of O2. (a) What amount (mol) of CaO can
be produced from the given mass of Ca? (b)
What amount (mol) of CaO can be
produced from the given mass of O2? (c)
Which is the limiting reactant? (d) How
many grams of CaO can be produced?

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