Question

How many moles are there in 235 grams of potassium thiosulfate pentahydrate? K2S2O3*5(H2O)

262

likes
1312 views

Answer to a math question How many moles are there in 235 grams of potassium thiosulfate pentahydrate? K2S2O3*5(H2O)

Expert avatar
Madelyn
4.7
88 Answers
utilizar masas atómicas como k = 39 S = 32 O = 16 alto = 1 masa molar de K2S2O3*5(H2O) = (2 x 39) + (2 x 32) + (3 x 16) + 5 x (2 + 16) = 78 + 64 + 48 + 90 = 280 gramos Número de moles en 235 gramos de tiosulfato de potasio pentahidratado. =\frac{235}{280}\aprox0.8393

Frequently asked questions (FAQs)
What is the average height (in cm) of 20 randomly selected students in a class?
+
Find the derivative of f(x) = cos^2(x) - 2sin(x) - 3x^3 + 5x^2 + 7.
+
Math question: Find the equation of a parabola that opens downward, has its vertex at (2,3), and passes through the point (-1,7).
+
New questions in Mathematics
Convert the following function from standard form to vertex form f(x) = x^2 + 7x - 1
Solve: −3(−2x+23)+12=6(−4x+9)+9.
the value of sin 178°58'
What is the amount of interest of 75,000 at 3.45% per year, at the end of 12 years and 6 months?
I need .23 turned into a fraction
Consider numbers from 1 to 2023. We delete 3 consecutive numbers so, that the avarage of the left numbers is a whole number
The bus one way of the road which is 10km is heading with speed of 20km/h ,then the bus the other 10km is heading with speed of 60km/h. The middle speed of the road is it equal with arithmetic speed of the v1 and v2 ?
The beta of a company is 1.51 while its financial leverage is 27%. What is then its unlevered beta if the corporate tax rate is 40%? (4 decimal places)
Perpetual annuities are a series of payments whose duration has no end. Explain how can we calculate them, if they have no end?
What is the appropriate measurement for the weight of an African elephant?
Suppose you have a sample of 100 values from a population with mean mu = 500 and standard deviation sigma = 80. Given that P(z < −1.25) = 0.10565 and P(z < 1.25) = 0.89435, the probability that the sample mean is in the interval (490, 510) is: A)78.87% B)89.44% C)10.57% D)68.27%
sin 30
In a laboratory test, it was found that a certain culture of bacteria develops in a favorable environment, doubling its population every 2 hours. The test started with a population of 100 bacteria. After six hours, it is estimated that the number of bacteria will be:
Congratulations, you have saved well and are ready to begin your retirement. If you have $1,750,000.00 saved for your retirement and want it to last for 40 years, and will earn 10.8% compounded monthly: What is the amount of the monthly distribuion? 216.50 How much interest is earned in retirement?
Let x be an integer. Prove that x^2 is even if and only if is divisible by 4.
16.What payment (deposit) made at the end of each month will accumulate to $10473 in 13 years at 7.9% compounded monthly? Enter to the nearest cent (two decimals). Do not use $ signs or commas in the answer.
A multiple choice exam is made up of 10 questions; Each question has 5 options and only one of them is correct. If a person answers at random, what is the probability of answering only 3 good questions?
The mass of 120 molecules of X2C4 is 9127.2 amu. Identify the unknown atom, X, by finding the atomic mass. The atomic mass of C is 12.01 amu/atom
X^X =49 X=?
Find the set of points formed by the expression 𝜋<|𝑧−4+2𝑖|<3𝜋.