Chemistry Questions:
Question 1 (20 points)
If you have a 3 M solution of HCl in 1.35 L, how...
Chemistry, 10.04.2021 01:40, vshelton6549
Chemistry Questions:
Question 1 (20 points)
If you have a 3 M solution of HCl in 1.35 L, how many grams of HCl (Molar mass = 36.461 g/mol) are present? (3 significant figures, no units)
a 162 g
b 10.8 g
c 170 g
d 28.4 g
e 148 g
f 16.4 g
Question 2 (20 points)
How many moles of CaCl2 are in 1.00 L of a 0.100M solution? (3 significant figures, no units)
Question 3 (20 points)
Calculate the molarity of a 1.60 L solution containing 50.55 g of dissolved KBr (molar mass = 119.002)? (3 significant figures, no units)
Question 4 (20 points)
Calculate the molarity of a solution prepared by dissolving 18.75 g NaCl in 250 mL of water: (Round your answer to 2 sigfigs, no labels)
Question 5 (20 points)
If you have a 12.5 M solution of HCl, and have 50 moles of HCl, how many liters do you have? (3 significant figures, no units)
a. 625 L
b. 33.0 L
c. 700 L
d. 4.00 L
e. 12.0 L
f. 615 L
Answers: 1
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Answers: 1
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Answers: 1
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Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth
Answers: 2
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