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With great difficulty - since there is no x in Na2CO3.
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How many moles of washing soda are there in 5g?
Washing soda is sodium carbonate, Na2CO3. Using the atomic weights from the periodic table and the subscripts in the formula, the molar mass of Na2CO3 = 106g/mol. 5g Na2CO3 x (1mol Na2CO3/106g/mol) = 0.05mol Na2CO3
What is the volume of a film canister in ml?
The volume of any cylinder is calculated by.. multiplying the area of the base (formula Pi x R x R - where R is the radius) - by the height of the cylinder.
Formula to calculate precision?
It will depend what operation you use to calculate your value. First you check the uncertainty of your instruments. Then If you add or subtract two values, you add the uncertainty (even when you subtract) If you multiply or divide, you do the following formula. dZ=(dx/x+dy/y)*z dz: uncertainty of your final value z is your value dx is the uncertainty of your first value x is the value of you first value similarly for y which is you second value
What is the formula for finding mass if you are given the force and acceleration rate?
Force = m a [ie mass x acceleration ]If the mass is not given it cannot be calculated.
What is the value of k in electrostatics?
1/(4piepsilon_0) so approximately 8.9875526173×10^9
How many moles of washing soda are there in 5g?
Washing soda is sodium carbonate, Na2CO3. Using the atomic weights from the periodic table and the subscripts in the formula, the molar mass of Na2CO3 = 106g/mol. 5g Na2CO3 x (1mol Na2CO3/106g/mol) = 0.05mol Na2CO3
What is the KB of Na2CO3?
The Kb of Na2CO3 is equal to 2.1 x 10^-4. Carbonate ion is the ion that results from the dissociation of Na2CO3.
What is the formula for relative error?
The formula for relative error is:Erel= |x-x*| / |x|, where x is the proper value, and x* an approximate value.
What is the molecular weight of Na2CO3?
The molecular weight of Na2CO3 is: (2 X 23) + 12 + (3 X 16) = 106
How many grams are in 0.577 mol Na2CO3?
1 mole Na2CO3 = 105.98844g 0.577mol x 105.98844g/mol = 61.2g Na2CO3
Formula for z-test?
The z score is calculated from the distance of a value from the distribution center divided by the standard dev. (x-xbar)/st. dev
Formula of a triangle?
The value of x is
What is the formula to find x value?
The formula to find the value of X would be Y-2X. This would equal to y-9 times 2 X.
What is the formula for the area of an isosceles triangle?
The are of any triangle is calculated by the formula: Area = 1/2 x Base x Height
What is the formula for x-bar in statistics?
(x value) - average
Z-score responding to 10 hours?
The z-score can't be calculated with the information given. A mean & standard deviation is required to put into the formula: Z = (x-mean)/sigma. Your x value is 10.
What isvolume of a sphere?
The volume of a sphere is calculated with the formula (4/3) x pi x radius3.
