00:01
We have a saline solution in hospital containing 9 % nacl, and we know that the solution, the total solution has a density equal to 1 .01 grams per milliliter, and we have the volume is equal to 0 .5 gallons, and we want to.
00:38
To know what the mass is of nacl in the solution.
00:49
Okay, so to find this, first we're gonna have to convert gallons to milliliters.
00:56
So we wanna do gallons to milliliters so that we can solve for a mass in our density equation.
01:05
So we have 0 .5 gallons times, you know, 0 .26 gallons is equal to 1 liter times 1 ,000 milliliters in 1 liter.
01:30
That'll give us, you plug that into our calculator, and we find 1 .923 liters is our volume, and we want that times 1 ,000 again, so we find 1 ,923.
01:55
Milliliters.
01:56
That's our volume.
01:59
Okay, so we'll use this as our volume and solve for our mass by plugging it into our density equation, d equal to m over v, where our d is 1 .01 in grams per millimeter, and our mass is unknown, and our volume is 1 ,923 millimeters.
02:23
So we'll multiply by 1 ,923 times 1 .01 to get our mass equal to 1 ,942 .2 grams...