chemistry

posted by .

Commercial breathalyzers contain .75 mg of K2Cr2O7, 1.5 mL of H20 and 1.5 mL of H2SO4. What is the concentraion of the dichromate in the solution?(the acid is a solvent)
don't want answer just want to know how to work it out.

• chemistry -

See my response to your post above.

Similar Questions

1. Chemistry - Density

Automobile batteries contain sulfuric acid. Calculate the number of grams of sulfuric acid in 0.500L of battery acid if the solution has a density of 1.28g/mL and is 38% H2SO4 (small numbers) by mass?
2. chemistry

You want to measure the oxalic acid contents in 20 ml of a solution. To this end, you add 100 mmol sodium dichromate to the solution. Then you titrate the remainder of the dichromate with a Fe2+ solution of 1 mM, of which you need …
3. chemistry (urgent)

Commercial breathalyzers contain .75 mg of K2Cr2O7, 1.5 mL of H20 and 1.5 mL of H2SO4. What is the concentraion of the dichromate in the solution?
4. Chemistry

What is the molarity of this dichromate solution?
5. Chemistry

How many grams of K2Cr2O7 (Potassium dichromate) must be used to make 250 ml of a0.125 M solution?
6. Chemistry

a potassium dichromate is prepared by 0.3525grams of K2Cr2O7 is enough water to yield 250.0mL of solution. a student then measures 10.00mL of an unknown solution of Fe2+ into an erlenmeyer flask and dilutes with 90mL of 1.0M hydrochloric …
7. chemistry

What is the conjugate acid base in this equation: h2so4+h20---Hso4^-+h3o^+ 2:) which phase of matter can act as a solvent. A.gas B.solid C.liquid D.all the above
8. chemistry

balance the following redox equation. hno2(aq) + h2so4(aq) + k2cr2o7(aq)= hno3(aq) + cr2(so4)3 + h20 + k2s04
9. chemistry

Balance the following redox equation. hno2(aq) + h2so4(aq) + k2cr2o7(aq)= hno3(aq) + cr2(so4)3 + h20 + k2s04?
10. Chemistry

7) A 3.33 g sample of iron ore is transformed into a solution of iron (II) sulfate. And this solution is titrated with 0.0150 M potassium dichromate. If it requires 41.40 mL potassium dichromate solution to titrate the FeSO4, find …

More Similar Questions