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A 50.0 ml sample of 0.100 M HNO3 is titrated with 15.0 ml of 0.200 M NaOH. What is the pH of the resulting solution?
A) 1.00B) 1.85C) 13.0D) 12.4E) 1.51
25.00 mL of a tap water sample is titrated with5.00x10-3 M EDTA solution. 6.25 mL are required to reachthe endpoint. What is the hardness of the water in ppm
If a bottle of nail polish remover contains 172 of acetone,how much heat would be released by its complete combustion? The density of acetone is 0.788 .
The following choices list some common laboratory solvents. In which of these solvents would LiCl be the LEAST soluble
A researcher is interested in studying the effect of vanadium (V) on egg albumen. He wants to supplement the V to 1 metric ton of his laying hen diet at a concentration of 100 ppm.
Complete and balance the following neutralization reaction, name the products, and write the net ionic equation.
The decomposition of potassium chlorate (KClO3) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 20.7 mol of oxygen?
How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?
A reaction takes place with a mass defect (lost mass) of 0.030kg. How much energy does the correspond to?
What is mass (in g) of copper can be recovered from 49.9 mL of a 0.628 M solution of copper(I) chloride and excess hydrogen
Suppose that 28 g of gold is initially at 29.0 degrees celsius. What is the final temperature gold upon absorbing 2.25 kJ of heat?
A solution contains .60 M NH4OH and 1.5 M NH4Cl. what is the maximum concentration of Mg2+ that can be present in such a solution without precipitating Mg(OH)2
1.52g of an oxide of nitrogen contains 0.56 g of oxygen. determine the empirical formula of the compound.?
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