subject
Chemistry, 02.04.2020 06:31 thebasedgodchri

Please help :(
A. Calculate the number of moles of solute in
53.39 mL of 0.1835 M K2Cr2O7 (aq)
moles of solute: ?
B. How many grams of solute are present in
215 mL of 0.740 M KBr ?
C. If 8.34 g of CuNO3 is dissolved in water to make a .610 M solution, what is the volume of the solution in milliliters?
D. Complete the equation for the dissociation of the electrolyte
NaCl(aq) -Omit water from the equation because it is understood to be present.
E. Classify these substances. More than one answer may apply in each case.
N2, O2, N2O
solution, homogeneous mixture, heterogeneous mixture, element, pure substance, and compound

ansver
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 02:30, s924704
In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent
Answers: 1
image
Chemistry, 22.06.2019 12:00, shifaxoxoxo
What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist
Answers: 2
image
Chemistry, 22.06.2019 20:00, denaemarie02
Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)
Answers: 2
image
Chemistry, 23.06.2019 11:30, elpeke102p73fz3
Jenny places a strip of ph paper into a solution. when she removes the ph paper, it has turned yellow-green. what should jenny do next to determine the ph of her solution? a. use a different testing method because the ph paper should not change colors b. place the ph paper into a machine that reads the ph of the solution c. compare the ph paper's color with the color of ph paper from another solution d. compare the ph paper's color with a chart of colors and ph ranges
Answers: 1
You know the right answer?
Please help :(
A. Calculate the number of moles of solute in
53.39 mL of 0.1835 M K2Cr...

Questions in other subjects: