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Tif

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all these questions I got wrong on my homework today ...I'm trying to find out why and what the correct answers were .. please
1. 1 answer
2. 655 views
A student mixes 450 mL of water and 116 mL of 7.90 x 10-5 M greenfood dye solution. What is the concentration of this new dilute
1. 2 answers
2. 473 views
How many grams of solute are required to make a 504 mL solution of copper (I) nitrate with a concentration of 1.3317 M?I go
1. 3 answers
2. 1,047 views
Calculate the number of moles of solute in each of the following solutions:Solution Moles of Solute 4.4 L of 1.00 M CuCl = mol?
1. 2 answers
2. 749 views
You have 4.271 x 102 mL of oxygen gas (O2) at 7.656 x 102 mm of Hg and 78 oC. What is the mass of the sample in milligrams?When
1. 1 answer
2. 499 views
When alcohol evaporates according to the equationC2H5OH(l) --> C2H5OH(g), how many liters of gaseous alcohol, measured at STP,
1. 0 answers
2. 479 views
You have 4.271 x 102 mL of oxygen gas (O2) at 7.656 x 102 mm of Hg and 78 oC. What is the mass of the sample in milligrams?What
1. 0 answers
2. 450 views

The mass was unchanged when the steel wool was pulled apart because it has the same number of properties split in two. The mass changed when the steel wool was burnt because when the fire heated up the steel wool, oxygen got caught inside the openings of
neither of these answers worked in my homework submission. Even though I already submitted can you see where either answer may be incorrect?

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