What is the concentration of a solution with 10 grams of calcium in 10 – McqOptions

MCQOPTIONS

1.	What is the concentration of a solution with 10 grams of calcium in 1000 m3 of water?
A.	150 ppm
B.	250 ppm
C.	800 ppm
D.	1000 ppm
Answer» C. 800 ppm

Discussion

No Comment Found

Related MCQs

A mixture contains 80% of NaOH and 20% H2O by weight, what is the mole fraction of NaOH?
A mixture contains 10 grams each of CH4, H2O, and SO2, what is the mole fraction of CH4?
A mixture contains 80% of HCl and 20% H2O by weight, what is the mole fraction of HCl?
A mixture contains 9 gram each of H2O and NaCl, what is the mole fraction of NaCl?
A mixture contains 23 g of ethanol and 36 g of water, some acetic acid is added to the mixture and its mole fraction becomes 0.5, how much acetic acid was added?
If the mole fraction of SO2 in H2SO4 is 0.2, what is the ratio of mass of sulfur and oxygen in the solution?
A mixture of gases SO2, O2 and 4 g of N2 and total mass of mixture is 10 g, what is the sum of mole fraction of SO2 and O2?
15 Kg/s of a fluid with density 5 Kg/m3 is passed into a tank of capacity 30 m3, how much time will it take to fill the tank?
20 Kg/s of a fluid with density 5 Kg/m3 is passed into a tank of capacity 60 m3, how much time will it take to fill the tank?
10 Kg/s of a fluid with density 10 Kg/m3 is passed into a tank of capacity 50 m3, how much time will it take to fill the tank?