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aqueous solution that is 2.23 M, and that has a density of 1.01 g mL−1?
A. 2.21
B. 12.9
C. 7.83
D. 45.3
E. 10.1
The average density of a planet is 3.92 g/cm3. What is its density in kg/m3? (Enter your answer in scientific notation.)
NaCL(aq) + NH3(aq) + CO2(g) + H2O(l)= NaHCO3(s) + NH4CL(aq)
If 10.0 g of NaCL reacts with excess of the other reactants and 4.2 g of NaHCO3 is isolated, what is the percentage yield of the reaction?
when carbon dioxide is dissolved in an aqueous solution of sodium hydroxide, the mixture reacts to yield aqueous sodium carbonate and liquid water. which balanced chemical equation represents this reaction?
A 2.545 g of the hydrate copper (II) sulfate with formula CuSO4.xH2O is heated and 63.85 % of the residue is found after heating. Calculate the value of x and the molecular formula of the hydrate
compound. (Given the molar mass of hydrate compound is 250.0 g mol-1
At s.t.p,a certain Mass of gas occupies a volume of 800cm3. Find the temperature at which the gas occupies 1000cm3 and has a pressure of 720mmhg
Complete the table below by writing the symbols for the cation and anion that make up each ionic compound.
Example: FeBr2: Fe^2+, Br^-
V(NO3)5:
MnCO3:
NH4I(iodine):
How does ionization potential vary in a period and in a group?
#339914 on Dec 2023