One mole of water is equivalent to 18 grams of water. A mug of water was measured to contain 205 grams of water. How many moles of water is this?
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
A "mole" is a common unit of measurement in chemistry. You may not be familiar with moles, but one of the advantages of dimensional analysis is that you can work with any units as long as you know equivalent measurements.
One mole of water is equivalent to 18 grams of water. A mug of water was measured to contain 205 grams of water. How many moles of water is this?
Choose the TWO fractions that are multiplied together to calculate the solution using dimensional analysis. Make sure that the units of the fractions you choose cross-cancel to produce the unit of your desired answer. You must have the correct two fractions selected at the same time to get credit when you check your answer. You get two attempts to check your answer.
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How many moles of water is this? Round your answer to one decimal place.
moles
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