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, 22.06.2019 11:50
Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘
Answers: 2
Chemistry, 23.06.2019 03:00
Is it safe to take 450mg of diphenhydramine hydrochloride?
Answers: 1
Chemistry, 23.06.2019 06:00
What are the coefficients to balance the following equation? ba+br2=babr2
Answers: 2
Chemistry, 23.06.2019 06:30
Which of the following is true about the products formed during photosynthesis? (5 points) select one: a. they have the same mass as the mass of reactants. b. they are the same set of compounds as the reactants. c. they have more mass than the mass of reactants. d. they are chemically the same as the reactants.
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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