If drinking water contains 1ppm of lead, how many milligrams of lead are contained in 1L...
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If
drinking water contains 1ppm of lead, how many milligrams of lead
are contained in 1L...
Water in a jar contains 250. ppm lead. How many grams of lead will be taken...
Water in a jar contains 250. ppm lead. How many grams of lead will be taken by a person who drinks 200. mL of water from the jar? Assume density of water to be 1.00 g/mL.
How many H2O molecules are contained in 1.50 L of water? Assume the density of water...
How many H2O molecules are contained in 1.50 L of water? Assume the density of water is 1.00 g/mL. How many H atoms are contained in 1.50 L of water? Assume the density of water is 1.00 g/mL. please show work, thanks
please show work, thank you How many milligrams of sodium chloride are contained in 1 liter...
please show work, thank you
How many milligrams of sodium chloride are contained in 1 liter of 0.9% sodium chloride solution?
Please help me this concentration in parts per 8. Persons are medically considered to have lead...
Please help me
this concentration in parts per 8. Persons are medically considered to have lead poisoning if they have a concentration of greater than 10 micrograms of lead per deciliter of blood. What is this concentration in billion? Assume the density of blood is 1 g/mL. 9. Household bleach is a 5.0 mass % aqueous solution of sodium hypochlorite, NaOCI. What is the molality of the bleach? What is the mole fraction of NaOCl in the bleach? 10. Ethylene...
lab How many molecules of water are you drinking if you were to consume 450mL bottle...
lab
How many molecules of water are you drinking if you were to consume 450mL bottle of H20? 1. What is the volume of water expressed in L and mL? 2. Calculate the mass of water in g (Hint: we did this in week 1) a. Express mass in mg and kg 3. Find/Calculate the molecular weight of water (H20) 4. Calculate how many moles of water are in the bottle (450mL) 5. Calculate how many molecules of water you...
How many grams of ethanol, CH3CH2OH, would you dissolve in water to make 2.75 L of...
How many grams of ethanol, CH3CH2OH, would you dissolve in water to make 2.75 L of vodka (which is an aqueous solution that is 6.86 M ethanol)? Using the density of ethanol (0.789 g/mL), calculate the volumes of ethanol and water you need to make 2.75 L of vodka. Please show all work. Thank you!
please answer 1-5 and show and explain steps clearly, thank you :) 1. How many milliliters...
please answer 1-5 and show and explain steps clearly, thank you
:)
1. How many milliliters of 13.2 MH.SO, are needed to prepare 600.0 mL of 0.10 M H SOC? (4.5 mL) 2. 1.60 L of an aqueous solution containing 25.00 g of KCl dissolved in pure water is prepared. What is the molarity of the resulting solution? (0.210 M) 3. A solution containing 292 g of Mg(NO3)2 per liter has a density of 1.108 g/mL. What is the molality...
How many milliliters each of purified water and an isotonic sodium chloride solution should be used...
How many milliliters each of purified water and an isotonic sodium chloride solution should be used to prepare 30 mL of a 1% w/v isotonic solution of fentanyl citrate (E= 0.11)? Separate each volume by a comma. I need help with this problem. Can you please show me step by step on how to solve this. Thank you.
A teaspoon of table sugar contains about 0.01 mole sucrose what is the molarity of the...
A teaspoon of table sugar contains about 0.01 mole sucrose
what is the molarity of the superheroes in a cup of coffee is a
teaspoon of sugar has been dissolved in a volume of 200 mL
Consider the sunion concentatton inNgat which is most appropriate a graph of the data above including all appropriate What is your independent variable which goes on the What is your dependent variable which goes on the y-axisi Procedure 3.3: Please complete the following solutions...
can you do number 10,11,12,13,14,15,16,17,18,19 and 20? show calculations please FORMA 10) 6 moles of H2...
can you do number 10,11,12,13,14,15,16,17,18,19 and 20?
show calculations please
FORMA 10) 6 moles of H2 will make how many moles of CHO, a)6 b) 12 c) 0.5 d) 1 e) 2 11. In which case is the element correctly matched with its combining ability? a) K:+ b) Mg: +2 c) Al: +3 d) a & b e), b, & c 12 Based on your knowledge of the periodic table, which would be a correct formula? a) CaS b) NaBr...
please show work, thank you
How many milligrams of sodium chloride are contained in 1 liter of 0.9% sodium chloride solution?
Please help me
this concentration in parts per 8. Persons are medically considered to have lead poisoning if they have a concentration of greater than 10 micrograms of lead per deciliter of blood. What is this concentration in billion? Assume the density of blood is 1 g/mL. 9. Household bleach is a 5.0 mass % aqueous solution of sodium hypochlorite, NaOCI. What is the molality of the bleach? What is the mole fraction of NaOCl in the bleach? 10. Ethylene...
lab
How many molecules of water are you drinking if you were to consume 450mL bottle of H20? 1. What is the volume of water expressed in L and mL? 2. Calculate the mass of water in g (Hint: we did this in week 1) a. Express mass in mg and kg 3. Find/Calculate the molecular weight of water (H20) 4. Calculate how many moles of water are in the bottle (450mL) 5. Calculate how many molecules of water you...
please answer 1-5 and show and explain steps clearly, thank you
:)
1. How many milliliters of 13.2 MH.SO, are needed to prepare 600.0 mL of 0.10 M H SOC? (4.5 mL) 2. 1.60 L of an aqueous solution containing 25.00 g of KCl dissolved in pure water is prepared. What is the molarity of the resulting solution? (0.210 M) 3. A solution containing 292 g of Mg(NO3)2 per liter has a density of 1.108 g/mL. What is the molality...
A teaspoon of table sugar contains about 0.01 mole sucrose
what is the molarity of the superheroes in a cup of coffee is a
teaspoon of sugar has been dissolved in a volume of 200 mL
Consider the sunion concentatton inNgat which is most appropriate a graph of the data above including all appropriate What is your independent variable which goes on the What is your dependent variable which goes on the y-axisi Procedure 3.3: Please complete the following solutions...
can you do number 10,11,12,13,14,15,16,17,18,19 and 20?
show calculations please
FORMA 10) 6 moles of H2 will make how many moles of CHO, a)6 b) 12 c) 0.5 d) 1 e) 2 11. In which case is the element correctly matched with its combining ability? a) K:+ b) Mg: +2 c) Al: +3 d) a & b e), b, & c 12 Based on your knowledge of the periodic table, which would be a correct formula? a) CaS b) NaBr...
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