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, 21.06.2019 18:30
Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?
Answers: 2
Chemistry, 22.06.2019 00:00
What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container
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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