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5) How much Ca(NO3)2 should be weighed out to have 0.650 mol?
A) 66.4 g B) 97.68 g C.107 g D. 133 g E 165 g
6) A sample of a compound contains 33.11% Carbon, 695% Hydrogen, 3859% Oxygen, and 21.35% Phosphorus. It has a molecular mass of 290.190.
Calculate (a) Empirical Formula: (b) Molecular Formula
7) The fuel for your car is a mixture of octane and several other hydrocarbons reacting with oxygen as shown
2 C8H18 + 25 O2 → 16 CO2 + 18 H2O
a) What mass of CO2 will be produced when 125 g of C8H18 react completely in the following equation?
b) Identify the LIMITING REAGENT if 25 g of C8H18 and 100 g of 02 are used.
5) How much Ca(NO3)2 should be weighed out to have 0.650 mol?
A) 66.4 g B) 97.68 g C.107 g D. 133 g E 165 g
6) A sample of a compound contains 33.11% Carbon, 695% Hydrogen, 3859% Oxygen, and 21.35% Phosphorus. It has a molecular mass of 290.190.
Calculate (a) Empirical Formula: (b) Molecular Formula
7) The fuel for your car is a mixture of octane and several other hydrocarbons reacting with oxygen as shown
2 C8H18 + 25 O2 → 16 CO2 + 18 H2O
a) What mass of CO2 will be produced when 125 g of C8H18 react completely in the following equation?
b) Identify the LIMITING REAGENT if 25 g of C8H18 and 100 g of 02 are used.
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Analyn TolentinoLv10
22 Nov 2020
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