
How do you convert 68% into a fraction in simplest form?
Dec 29, 2016 · 68%= 17/25 68% = 68/100" "larr find the HCF to simplify 68/100 (div4)/(div4) = 17/25 This is now the simplest form because there are no other common factors (except for 1) …
The sum of two consecutive integers is 68, what is the smaller …
Jul 18, 2016 · So #2n+2# is the next even number. Thus #2n+(2n+2)=68# So #4n+2=68# Subtract 2 from both sides #4n=66# #n=66/4=16.5 larr" seed value"# Thus the 1st even …
In a recent student government election, the ratio of ... - Socratic
Jul 16, 2018 · See a solution process below: Because the ratio of students who voted for the winner compared to all students who voted is 0.88 we can rewrite this as: 0.88 = 88/100 And, …
If an atom of tin has a mass number of 118 and an atomic
Oct 28, 2016 · There must be 68 neutrons in a ""^118Sn isotope. The mass number relates to the massive particles: protons, and neutrons. Since there are 50 protons, there MUST be 68 …
How many moles are in #"1.68 g Fe"#? - Socratic
Jul 25, 2017 · There is "0.0301 mol Fe" in "1.68 g Fe". There are 1.81xx10^22 atoms in "1.68 g Fe". Divide the mass of iron by its molar mass in g/mol to get the moles of iron. …
Gallium consists of 2 isotopes. One of those isotopes is 71
Nov 26, 2015 · 69 At first glance, it may seem like the problem didn't provide you with enough information. However, if you have access to a periodic table, you can determine the mass …
Gallium has two naturally occurring isotopes. The mass of
Dec 29, 2015 · "M"_r (Ga) = 69.7231 " to 4 decimal places". To find the average atomic mass ("A"_r) of an element, given the percentage rarities of its isotopes, simply multiply each …
What is the algebraic expression for half of a number?
Jul 3, 2015 · x/2 We can represent a number in general by x. Halving a number means dividing it by two, so the expression that shows the half of a number is x/2, since you divide a number by …
How many atoms are in 5.86 mg of silicon? - Socratic
May 25, 2017 · 1.26 xx 10^20 "atoms" In one mole of any substance there are 6.022 xx 10^23 units of that substance. (This number is called Avogadro's number, N_"A".) We need to …
How do you round to the nearest unit - Socratic
May 28, 2018 · See below Rounding to the nearest unit means to find the nearest integer to a given number. Basically, you have to get rid of the decimal part, if any. As an immediate …