I really need help, please.
If a 50 mL sample from a water source contained .0000045 grams of copper, how many ppm would it contain?
How many grams of Copper (II) sulfate, or CuSO4 must be added to 245 mL of water to make a 1.00 M solution? The molar mass of CuSO4 is 159.6 g/mol.
Answers: 1
Chemistry, 23.06.2019 07:00, bree6754
Achemist who studies water samples did a demonstration of how to test for lead in water. she added a clear solution of potassium iodide to a clear solution of lead nitrate. then a yellow swirling solid formed in the liquid. what is most likely true about the yellow solid?
Answers: 3
Chemistry, 23.06.2019 07:40, Aaron5795
)in the deacon process for the manufacture of chlorine, hcl and o2 react to form cl2 and h2o. sufficient air (21 mole% o2, 79% n2) is fed to provide 35% excess oxygen, and the fractional conversion of hcl is 85%. calculate the mole fractions of the product stream components.
Answers: 1
I really need help, please.
If a 50 mL sample from a water source contained .0000045 grams of coppe...
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