How many milligrams of NaOH are required to prepare 13.50dL of solution? Then how would I use this answer to calculate the molarity?
How many milligrams of NaOH are required to prepare 13.50dL of solution? Then how would I use this answer to calculate the molarity?
Find the hydrogen ion concentration of baking soda, which has a pH of 8.3. Be sure to use proper scientific notation to receive full credit.
If 17% of a radioactive substance decays in 5 hours, what is the half-life of the substance?
In a scale drawing of a dining room floor plan, 10 mm equals 2 meters. If the homeowners wanted to purchase flooring that costs $10.89 per square yard, how much would they spend on flooring for the...
The half-life for the radioactive decay of calcium-47 is 4.5 d . If a sample has an activity of 3.0 Ci after 18 d , what was the initial activity of the sample? Express your answer using two significant...
Li(s)+N2(g)→Li3N(s)Express your answer as a balanced chemical equation. Identify all of the phases in your answer. TiCl4(l)+H2O(l)→TiO2(s)+HCl(aq)Express your answer as...
The unbalanced equation for the reaction between methane and bromine is:__CH4(g) + __Br2(l) → __CBr4(s) + __HBr(g) Once this equation is balanced...
4 C3H9 + 24 O2 --> 12 CO2 + 18 H2O
A solid aluminum sphere has a mass of 90 g. Use the density to find the radius of the sphere in inches. Answer in 2 sig figs.
The volume of the pyramid shown in the figure is cubic centimeters. If the slant height of the pyramid increases by 4 centimeters and its height increases by 2 centimeters, the volume of the pyramid...
show me how to do this problem with steps please
Silver is reacted with excess mercury (II) chloride, producing a solid silver chloride precipitate. If the actual yield of 25.5 g silver chloride represents a 77 percent yield, how much silver was...
(14.007 g/mol + 3.02 g/mol) 8.60791mol
Silver is reacted with excess mercury (II) chloride, producing a solid silver chloride precipitate. If the actual yield of 25.5 g silver chloride represents a 77% yield, how much silver was initially...
Silver is reacted with excess mercury (II) chloride, producing a solid silver chloride precipitate. If the actual yield of 25.5 g silver chloride represents a 77% yield, how much silver was initially...
It is very desirable that pesticides eventually decompose in the environment to give harmless products. Let us assume the half life for the first order decomposition of a certain pesticide is 10.2...
Can you please check my answers? What is the maximum mass of hydrogen gas that can be produced from 5.70 g SrH2 and 4.75g H2O? SrH2 (s) + 2H2O (l) ----->...
Silver is reacted with excess mercury (II) chloride, producing a solid silver chloride precipitate. If the actual yield of 25.5 g silver chloride represents a 77% yield, how much silver was initially...
The molar mass of aspirin is 180.16 g/mol. What is the theoretical yield in grams, for the aspirin she theoretically obtained above using 4.02 g of SA? What is the percent yield?
The molar mass of salicylic acid (SA) is 138.12 g/mol. How many theoretical mols are there in the 4.02 g of the SA reactant the student started the reaction with?