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The charge on the phosphate ion is 3-, PO43- . The formula for phosphate of chromium is CrPO4. What is the charge on the chromium ion in this compound? Chromium and phosphate form a second compound, Cr3(PO4)2 . What is the charge on the chromium ion in this compound? Name the two compounds unambiguously.
If 30mL of 6.8M H2SO4 was spilled , what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid.
When 190.0 mL of 0.360 mol are added to 190.0 mL of 1.00×10?2 M AgNO3 (aq), what percentage of the Ag+ is left unprecipitated?
A bottle contains 225 mL of insulin at a concentration of 50.0 mg/mL. What is the total mass of insulin in the bottle?
a sample of propane, contains 17.7 moles of carbon atoms. How many total moles of atoms does the sample contain.
What is the percent yield of CO2 if the expected theoretical yield is 8.11·10-3 mol? Vapor pressure of water at 20.0 oC is 17.55 mmHg .
If 482.4 mL of 16.5 M H2SO4 solution is diluted to 5.6 L, what is the new concentration of H+ in the diluted solution?
Assume that you are carrying out the dehydration of 1-methylcyclohexanol to yield 1-methylcyclohexene
Describe in brief the risk connected with solutions of 1M NH 3 , 1M HCl, and 1M NaOH?
what is the temperature of the air inside of the tire when the pressure increases to 29 psi? Assume tire volume is constant.
undergo an isothermal compression until the pressure of the system is four times the original pressure. The process may occur in two ways:
how many grams of zinc must react with sulfuric acid in order to obtain 500mL of hydrogen at 20 deg c and 770 mm hg?
What would be the product if D2O were added to a Grignard reagent such as phenylmagnesium bromide? Is this type of product in Grignard
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