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General Chemistry
Na2CO3(aq) + CaCl2(aq) -------- 2NaCl(aq) + CaCO3 (s)
Calculate the volume (in mL) of 0.100 M CaCl2 needed to produce 1.00g of CaCO (s). There is an excess of Na2CO3
Molar mass of calcium carbonate= 100.09 g/mol
volume of calcium chloride =
General Chemistry
Make an analogy base on the type of chemical reaction below
1. decomposition and break up.
2. single replacement and the cheater
3. double replacement and swapping partners
4. combustion and O2 loves everyone
1. decomposition and break up.
2. single replacement and the cheater
3. double replacement and swapping partners
4. combustion and O2 loves everyone
General Chemistry
determine the molecular formula of NaHCO3 if the molecular mass is 588 g/mol.
General Chemistry
Determine the mass percent of iron in Fe4[Fe(CN)6]3
General Chemistry
What is the work done by a system when it absorbs 50J of heat and gains 24 J of energy?
General Chemistry
A gas is collected at 22.0 ˚C and 745.0 mm Hg. When the temperature is changed to 0 ˚C, what is the resulting pressure?
General Chemistry
A sample of water taken from a nearby lake is found to have 0.0035 mol of salt
in a 100mL solution. Determine the molar concentration of the solution in the lake.
in a 100mL solution. Determine the molar concentration of the solution in the lake.
General Chemistry
Suppose you added 4.0 moles of sugar to 10.0 L of solution. Calculate the molar concentration of the solution
General Chemistry
What is the conjugate acid of ethyl phosphine, CH3CH2PH2 ?
Select one:
CH3CH2PH3
CH3CH2PH2+
CH3CH2PH3+
CH2=CH-PH3+
CH3CH2PH
CH3CH2PH–
General Chemistry
How many grams of NaAlO2 are produced using the same amount of NaOH
