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chemistry test _2

The formula mass of aluminum oxalate,Al2(C2O4)3, is 318 amu
In 0.332 mol of trimellitic acid, C6H3(COOH)3, there are 1.80x10^24 carbon atoms
which of the following compounds has the highest % of nitrogen by mass NH4NO2 KNO3 N2F4 HNO3 (NH4)2SO4
Analysis of a compound showed that it contained 14.4% hydrogen atoms and 85.6% carbon atoms by mass. what is the empirical formula CH CH2 CH3 C2H3 C2H5
a particular compound contains, by mass, 41.4% carbon,3.47% hydrogen, and 55.1% oxygen. A 0.050-mol sample of this compound weighs 5.80g. The molecular formula of this compound is CHO C3H3O C2H2O2 C4H4O4 C5H5O5
An organic compound that has the empirical formula CHO has a molecular mass of 174amu. Its molecular formula is C5H5O5 C2H5 C6H6O6 C12H12
A 5.95g sample of AgNO3 is reacted with BaCl2 according to the equation 2AGNO3(aq)+ BaCl2 (aq)--> 2AgCl(s)+Ba(NO3)2(aq) 32.0% 100% 42.6% 63.9% 53.9%
2KHCO3(s)--> K2CO3(s)+ CO2(g)+H2O(l) How many moles of potassium carbonate will be produced if 476g of potassium hydrogen carbonate are heated 4.76 3.44 238 2.38 12.6
C3H8+5O2--> 3CO2+4H2O how many grams of oxygen are required to burn 4.2g of C3H8 3.1g 72g 36g 15g 52g
Aqueous solutions of sodium sulfide and copper(II) chloride are mixed together. Which statement is correct both NaCl and CuS will precipitate from the solution No precipitate will form cus will precipitate from the solution NaCl will precipitate from the solution No reaction will occur
Which of the following is a strong acid in aqueous solution HCLO2 HCLO- HI H2S HC2H3O2
the oxidation # of carbon in the formate ion,HCOO-, is -2 -1 0 +1 +2
identify the spectator ion in the following reaction Cu(OH)2(s)+2H^+(aq)+Cl-(aq)-->Cu^2+(aq)+2Cl-(aq)+2H2O(l) Cu2+ and Cl- H+ and Cl- Cu(OH)2 Cl- Cu2
the net ionic equation for the equation of calcium bromide and sodium phosphate contains which of the following species Ca2+ PO4^3- 2Ca3 6NaBr 3Ca2+
what products results from the addition of aqueous solutions of Sr(NO3)2(aq) and (NH4)2 S(aq) SrS(s)and NH4NO3(aq)
which of the following is not an Arrhenius base LiOH NH3 Ca(OH)2 Sr(OH)2 KOH