subject
Chemistry, 13.04.2021 17:50 medellincolombia99

A solution is made by dissolving 70.0 grams of KNO3(s) in 100. grams of water at 50.00 and standard pressure. Calculate the percent by mass of KNO3 In the solution.
A) 0.41%
B) 41.2%
C) 70.0%
D) 0.70%

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 19:00
Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.
Answers: 2
question
Chemistry, 23.06.2019 03:50
How is an endothermic reaction identified
Answers: 2
question
Chemistry, 23.06.2019 19:40
Alab technician needs to create 570.0 milliliters of a 2.00 m solution of magnesium chloride (mgcl2). to make this solution, how many grams of magnesium chloride does the technician need? refer to the periodic table for . express your answer to three significant figures.
Answers: 3
question
Chemistry, 23.06.2019 22:30
Consider the combustion of ethylene: c2h4(g)+3o2(g)→2co2(g)+2h2o(g) if the concentration of c2h4 is decreasing at the rate of 3.6×10−2 m/s , what is the rate of change in the concentration of co2? express the rate in molarity per second to two significant digits.
Answers: 1
You know the right answer?
A solution is made by dissolving 70.0 grams of KNO3(s) in 100. grams of water at 50.00 and standard...
Questions
question
Mathematics, 15.10.2019 21:30
question
Biology, 15.10.2019 21:30
question
History, 15.10.2019 21:30
Questions on the website: 13722365