Calculate the mass of P2O5 in 1.00 kg of fertiliser.

Phosphorus is an essential ingredient in plant fertiliser. The phosphorus content in fertiliser can be determined as a percentage, by mass, of P2O5. A 3.256 g sample of fertiliser is mixed with... more

02/01/17

The product of two numbers is 30. If one of the numbers is 3/7, what is the other number?

If one of the numbers is 3/7, what is the other number?

02/01/17

the sum of four times a number and 6 is equal to three the number

THE SUM OF 4 TIMES A NUMBER AND 6 IS EQUAL TO 3 THE NUMBER

If a rectangular garden is 40 ft by 45 ft, how many feet of fence are needed to enclose it

I need help with a lot of college math works which are really difficult for me to do 

01/05/17

How long to fill the pool with just the hose?

It takes 12 hours to fill a pool using a pipe. It takes 8 4/7 hours to fill it using a pipe and a hose. How long will it take to fill the pool using just the hose?

09/02/15

Plane Trigonometry Question...

A triangular lot has sides of lengths 242ft, 160ft, 184ft. If the cost per square foot per land is appraised at $40, what is the appraised value of the lot?

09/02/15

Help please show how you got the answer in numbers or symbols.

1. Thirty people are having lunch. 16 want salad, 16 want pasta, and 11 want chicken. 5 want salad and chicken, of these 3 want pasta as well . 5 want chicken only. 8want pasta only. how many want... more

08/31/15

What is the percent yield of carbon dioxide if 37.4 moles of iron oxide yielded 66.8 moles of carbon dioxide

Wouldn't you set up the equation like this: 37.4 (1mol/159.65)(3mol/1mol)(28/1mol) I understand how to do the percent yield, I just can't figure out the mass to mass equation part

08/31/15

How do I do this?

6L of a 13% acid solution is needed for an experiment. To create this, a scientist must mix a 18% solution with a 10% solution. To the nearest liter, how much of the 10% solution is needed?

04/01/15

question in description

a small pump can drain a pool in 8 hours. a large pump could drain the same pool in 7 hours. how long (to the nearest minute) will it take to drain the pool if both pumps are used simultaneously?

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